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Cisco H.323/SIP - page 1
Corporate Headquarters Cisco Systems, In c. 170 West Tasman Drive San Jose, CA 951 34-1706 USA http://www.ci sco.com Tel: 408 526-4000 800 553-NETS (638 7) Fax: 408 526-4100 A dministrator Guide Cisco Unif ied MeetingPlace H.323/SIP IP Gate w a y S of tw a re Re lease 5.2.1 Re vised: April 2006 Text Part Number: OL -6571-02 ...
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Cisco H.323/SIP - page 2
THE SPECIFICATION S AND INFORMATION REGARDING TH E PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS , INFORMATION, AND RECOMMENDATI ONS IN THI S MANUAL ARE BE LIEVED TO BE A CCURATE BUT ARE PRESENTED WI THOUT WARRANTY OF ANY KIND, EX PRESS OR IMPLIED. USERS MUST TAKE FULL RESPO NSIBILITY FOR THEIR APPLICATION OF ANY PROD ...
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Cisco H.323/SIP - page 3
iii Administrator Guide for Cisco Un ified MeetingPlace H.323 SIP/IP Gateway Software Release 5.2.1 OL-6571-02 CONTENTS CHAPTER 1 Introducing Cisco Unified Mee tingPlace H.323/SIP IP Gateway Software Release 5.2.1 1-1 Audience 1-1 Scope 1-1 Naming Conventions Used in This Guide 1-2 New Features in This Release 1-2 Information About Cisco Unified Me ...
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Cisco H.323/SIP - page 4
Contents iv Administrator Guide for Cisco Unified MeetingPla ce H.323 SIP/IP Gateway Software Release 5.2.1 OL-6571-02 Upgrading to Cisco Unified Meetin gPlace H.323/SIP IPGW Software Release 5.2.1 From Cisco Unified MeetingPlace IP Gateway Rele ase 5. x 2-6 Upgrading to Cisco Unified Meetin gPlace H.323/SIP IP Gateway Software Release 5.2.1 From C ...
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Cisco H.323/SIP - page 5
Contents v Administrator Guide for Cisco Un ified MeetingPlace H.323 SIP/IP Gateway Software Release 5.2.1 OL-6571-02 Unable to Make Dial-Pad Key Selec tions When Using an H.323 Device 4-3 Checking the Cisco Unified MeetingPlace Au dio Se rver System When IP Ports Do Not Answer 4-4 Checking the Cisco Unified MeetingPlace H.323/SIP IP Gateway Softwa ...
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Cisco H.323/SIP - page 6
Contents vi Administrator Guide for Cisco Unified MeetingPla ce H.323 SIP/IP Gateway Software Release 5.2.1 OL-6571-02 ...
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Cisco H.323/SIP - page 7
CH A P T E R 1-1 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 1 Introducing Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 This chapte r includes the fol lo wing sections: • Audience, page 1-1 • Scope, page 1-1 • Naming Con ventions Used in This Guide, page ...
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Cisco H.323/SIP - page 8
1-2 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 1 Introducing Cisco Unified MeetingPla ce H.323/SIP IP Gateway Software Release 5.2.1 Naming Conven tions Used in This Guide This guide does n ot prov ide information abou t conf iguring third-p arty , call-cont rol applications. ...
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Cisco H.323/SIP - page 9
1-3 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 1 Introducing Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Information About Cisco Unified M eetingPlace H.323/SIP IP Gatewa y So ftware Release 5.2.1 Compone nts Information About Cisco Unified MeetingPl ...
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Cisco H.323/SIP - page 10
1-4 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 1 Introducing Cisco Unified MeetingPla ce H.323/SIP IP Gateway Software Release 5.2.1 Information About Cisco Un ified MeetingPlace H.323/SIP IP Gate way Software Release 5.2.1 Components Cisco Unified MeetingPlace H.323/SIP IP Ga ...
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Cisco H.323/SIP - page 11
1-5 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 1 Introducing Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Information About Cisco Unified M eetingPlace H.323/SIP IP Gatewa y So ftware Release 5.2.1 Compone nts Protocols That Cisco Unified Meetin gPlac ...
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Cisco H.323/SIP - page 12
1-6 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 1 Introducing Cisco Unified MeetingPla ce H.323/SIP IP Gateway Software Release 5.2.1 Information About Cisco Un ified MeetingPlace H.323/SIP IP Gate way Software Release 5.2.1 Components H.323 clients can use out-of -band DTMF , ...
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Cisco H.323/SIP - page 13
1-7 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 1 Introducing Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Information About Cisco Unified M eetingPlace H.323/SIP IP Gatewa y So ftware Release 5.2.1 Compone nts How PSTN and Cisco IP Phones Co mmunicate ...
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Cisco H.323/SIP - page 14
1-8 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 1 Introducing Cisco Unified MeetingPla ce H.323/SIP IP Gateway Software Release 5.2.1 Information About Cisco Un ified MeetingPlace H.323/SIP IP Gate way Software Release 5.2.1 Components 3. Cisco Unif ied CallManager and Release ...
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Cisco H.323/SIP - page 15
1-9 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 1 Introducing Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Information About Cisco Unified M eetingPlace H.323/SIP IP Gatewa y So ftware Release 5.2.1 Compone nts How H.323 Clients and Cisco SIP IP Phones ...
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Cisco H.323/SIP - page 16
1-10 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 1 Introducing Cisco Unified MeetingPla ce H.323/SIP IP Gateway Software Release 5.2.1 Additional References Additional References See to the follo wing documents for additional inf ormation: • Administrator Guide for Cisco Unif ...
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Cisco H.323/SIP - page 17
CH A P T E R 2-1 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 2 Installing Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 T o install Release 5.2 .1, perform the follo wing procedures in this order: • How t o Complete Prerequisites for Cisco Unif ied MeetingPlac ...
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Cisco H.323/SIP - page 18
2-2 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 2 Installin g Cisco Unified MeetingP lace H.3 23/SIP IP Gate way Software Release 5.2.1 How to Configure Cisco Unified CallMan ager for Use With Cisco Unified Mee tingP lace H.323/SIP IP Gateway Software • If a fire wall separa ...
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Cisco H.323/SIP - page 19
2-3 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 2 Installing Cisc o Unified MeetingPlace H.323/SIP IP Gateway Softwar e Release 5.2.1 How to Configure Cisco Unified CallM anager for Use With Cisco Unified MeetingPlace H.323/SIP IP Gateway Step 5 Click the Add a New Gatewa y link ...
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Cisco H.323/SIP - page 20
2-4 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 2 Installin g Cisco Unified MeetingP lace H.3 23/SIP IP Gate way Software Release 5.2.1 How to Configure Cisco Unified CallMan ager for Use With Cisco Unified Mee tingP lace H.323/SIP IP Gateway Software Step 9 Click Insert . Assi ...
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Cisco H.323/SIP - page 21
2-5 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 2 Installing Cisc o Unified MeetingPlace H.323/SIP IP Gateway Softwar e Release 5.2.1 How to Install or Upgrade to Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Step 4 Enter the informat ion in Ta b l e 2 ...
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Cisco H.323/SIP - page 22
2-6 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 2 Installin g Cisco Unified MeetingP lace H.3 23/SIP IP Gate way Software Release 5.2.1 How to Install or Upgrade to Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Installing Cisco Unified MeetingPlace H.3 ...
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Cisco H.323/SIP - page 23
2-7 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 2 Installing Cisc o Unified MeetingPlace H.323/SIP IP Gateway Softwar e Release 5.2.1 How to Install or Upgrade to Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Step 2 Install Release 5.2.1b y using the pr ...
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Cisco H.323/SIP - page 24
2-8 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 2 Installin g Cisco Unified MeetingP lace H.3 23/SIP IP Gate way Software Release 5.2.1 How to Install or Upgrade to Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Step 7 In the Cisco Unified MeetingPlace ...
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Cisco H.323/SIP - page 25
2-9 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 2 Installing Cisc o Unified MeetingPlace H.323/SIP IP Gateway Softwar e Release 5.2.1 How to Install or Upgrade to Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Step 8 Click OK. Step 9 T o apply the conf i ...
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Cisco H.323/SIP - page 26
2-10 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 2 Installin g Cisco Unified MeetingP lace H.3 23/SIP IP Gate way Software Release 5.2.1 How to Install or Upgrade to Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 ...
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Cisco H.323/SIP - page 27
CH A P T E R 3-1 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 3 Configuring Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 This chapter pro vides procedures for conf iguringR elease 5.2.1 and includes the follow ing sections: • Information Ab out Conf iguring Ci ...
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Cisco H.323/SIP - page 28
3-2 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 3 Con figuring Cisco Unified MeetingP lace H.323/SI P IP Gateway Software Release 5.2.1 Information About Configur ing Cisco Unified MeetingPlace H.323/SI P IP Gateway Software Release 5.2.1 Note If you are using an IP PBX that ru ...
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Cisco H.323/SIP - page 29
3-3 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 3 Configuring Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 How to Configure Cisco Unified MeetingPlace H.323/SIP IP Ga teway Software Release 5.2.1 How to Configure Cisco Unified MeetingPlace H.323/SIP IP ...
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Cisco H.323/SIP - page 30
3-4 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 3 Con figuring Cisco Unified MeetingP lace H.323/SI P IP Gateway Software Release 5.2.1 How to Configure Cisc o Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Configuring Cisco Unified MeetingPlace H.323/SIP IP G ...
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Cisco H.323/SIP - page 31
3-5 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 3 Configuring Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 How to Configure Cisco Unified MeetingPlace H.323/SIP IP Ga teway Software Release 5.2.1 Ti p Y ou can also access Release 5.2.1 confi guration s ...
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Cisco H.323/SIP - page 32
3-6 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 3 Con figuring Cisco Unified MeetingP lace H.323/SI P IP Gateway Software Release 5.2.1 How to Configure Cisc o Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Step 4 T o accept the settings, click Submit . Step 5 ...
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Cisco H.323/SIP - page 33
3-7 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 3 Configuring Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Information About Co nfiguring Cisco Uni fied MeetingPlace H. 323/SIP IP Gatewa y Software Release 5.2.1 for Use With Information About Configuri ...
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Cisco H.323/SIP - page 34
3-8 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 3 Con figuring Cisco Unified MeetingP lace H.323/SI P IP Gateway Software Release 5.2.1 Information About Configuring Multiple Cisco Unifie d MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Step 5 Click OK to apply your s ...
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Cisco H.323/SIP - page 35
3-9 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 3 Configuring Ci sco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Information About Reservatio nless Si ngle Number Access Configuration • [*]—Matches 0 or more occurrences of the preced ing digit. Step 5 En ...
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Cisco H.323/SIP - page 36
3-10 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 3 Con figuring Cisco Unified MeetingP lace H.323/SI P IP Gateway Software Release 5.2.1 Information About Reverse Connec tion to the MeetingPlace Audio Server System Configuration Note Gateways must support the Session Initiation ...
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Cisco H.323/SIP - page 37
CH A P T E R 4-1 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 4 Troubleshooting Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 This chapter pro vides troubleshooting tips about th e follow ing topics for probl ems that can occur after installing and conf iguring R ...
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Cisco H.323/SIP - page 38
4-2 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 4 Tro ubleshooting Ci sc o Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Troubleshooting Caller Connectivity Troubleshooting Caller Connectivity • Unable to Make Calls From a Cisco IP Ph one, page 4-2 • Unab ...
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Cisco H.323/SIP - page 39
4-3 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 4 Troubleshooting Cisco Unified MeetingPlace H.323/SIP IP Gateway Softwar e Release 5.2.1 Troublesh ooting Caller Connectivity Dead Air Heard When Using an H.323 Device Pos s ib le C au se —Data packets transmitted across IP are ...
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Cisco H.323/SIP - page 40
4-4 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 4 Tro ubleshooting Ci sc o Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Troubleshooting Caller Connectivity Checking the Cisco Unified MeetingPlace Audio Server System When IP Ports Do Not Answer Step 1 Check t ...
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Cisco H.323/SIP - page 41
4-5 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 4 Troubleshooting Cisco Unified MeetingPlace H.323/SIP IP Gateway Softwar e Release 5.2.1 Troublesh ooting Caller Connectivity Step 6 V erify that soft pho nes are not running on the gate way . Step 7 If Cisco Unified MeetingPlace ...
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Cisco H.323/SIP - page 42
4-6 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 4 Tro ubleshooting Ci sc o Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Troubleshooting Caller Connectivity Checking the Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 When IP Calls Conn ...
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Cisco H.323/SIP - page 43
4-7 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 4 Troubleshooting Cisco Unified MeetingPlace H.323/SIP IP Gateway Softwar e Release 5.2.1 Troublesh ooting Caller Connectivity Checking the Cisco Unified MeetingPlace Audio Server System When Unable to Dial Out on IP Ports Step 1 V ...
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Cisco H.323/SIP - page 44
4-8 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 4 Tro ubleshooting Ci sc o Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Troubleshooting Audio Problems Step 5 V erify that the E.164 Addr ess and H.323 ID f ields are correct for H.323 outdials. Step 6 V erify ...
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Cisco H.323/SIP - page 45
4-9 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 Chapter 4 Troubleshooting Cisco Unified MeetingPlace H.323/SIP IP Gateway Softwar e Release 5.2.1 Troubleshooting Audio Prob lems Echo Pos s ib le C au se —The caller is using a lo w-quality headset with Cisco IP ph one. Correctiv e Acti ...
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Cisco H.323/SIP - page 46
4-10 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Chapter 4 Tro ubleshooting Ci sc o Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Troubleshooting Audio Problems ...
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Cisco H.323/SIP - page 47
A-1 Administrator Guide for Cisco Unified MeetingPlac e H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 APPENDIX A Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Installation Worksheets Information About the Cisco Unifie d MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Installation Worksheet Before you insta ...
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Cisco H.323/SIP - page 48
A-2 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Appendix A Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Installation Worksheets Information About the Cisc o Unified MeetingPlace H.323/SIP IP Gate way Software Release 5 .2.1 Dial Plan Information About the Cisc ...
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Cisco H.323/SIP - page 49
A-3 Administrator Guide for Cisco Un ified MeetingPlace H.323/SI P IP Gateway Software Release 5.2.1 OL-6571-02 Appendix A Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5. 2.1 Installatio n Worksheets Information About the Cisco Unified MeetingPlace H.323/ SIP IP Gateway Software Relea se 5.2.1 Dial Plan For Cisco Unif ied Mee ti ...
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Cisco H.323/SIP - page 50
A-4 Administrator Guide for Cisco Unified MeetingPla ce H.323/SIP IP Gateway Soft ware Release 5.2.1 OL-6571-02 Appendix A Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 Installation Worksheets Information About the Cisc o Unified MeetingPlace H.323/SIP IP Gate way Software Release 5 .2.1 Dial Plan ...
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Cisco H.323/SIP - page 51
IN-1 Administrator Guide for Cisco Un ified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 INDEX A audio qual ity during a meeting 1-6 troubleshooting 4-8 C call-control software see Cisco Unified MeetingPla ce H.323/SIP IP Gateway Cisco IP phones about 1-7 communicating with Cisco Un ified MeetingPlace H.323/SIP IP Gateway 1-9 ...
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Cisco H.323/SIP - page 52
Index IN-2 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 in band 1-5 out of band 1-5 out of band and SIP 1-5 support for 1-5 dual tone multi-frequency see DTMF E endpoints supported 1-6 supported by SIP 1-5 F fast busy signal, troublesho oting 4-3 G G.711 codec and Cisco Un ified MeetingP ...
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Cisco H.323/SIP - page 53
Index IN-3 Administrator Guide for Cisco Un ified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 S SIP phones see Cisco IP phones SIP protocol see protocols SSP protocol see protocols T telepho ny standards supported 1-4 troubleshooting audio problems 4-8 caller connectivity 4-2 Cisco IP phones 4-3 Cisco Unified MeetingPlace H. ...
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Cisco H.323/SIP - page 54
Index IN-4 Administrator Guide for Cisco Unified MeetingPl ace H.323/SIP IP Gateway Software Release 5.2.1 OL-6571-02 ...
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Si vous n’avez pas résolu votre problème avec Cisco H.323/SIP, avec l'aide du manuel que vous avez trouvé, posez une question en utilisant le formulaire ci-dessous. Si un utilisateur a eu un problème similaire avec Cisco H.323/SIP il est probable qu’il a envie de partager la façon de le résoudre.