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Manual Cortelco 2757

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  • Cortelco 2757 - page 1

    Rev . 1.0 2757 V oIP Phone Users Guide ...

  • Cortelco 2757 - page 2

    2 T able of Content s 1 Introduction ................................ ............................. ............................ ............................. ..... 5 1.1 Pack age Contents ............................. ............................ ............................. .................... 5 1.2 Features .................................... ...

  • Cortelco 2757 - page 3

    3 2.1 1.2 Headset ..................................................... ............................. ............................ . 37 3.1 S peed Dia l ................................... ............................. ............................ ........................ 37 3.2 Call For warding ............................................... ..... ...

  • Cortelco 2757 - page 4

    4 3.1 1.1 Pho ne Interface ........................................................ ............................. .............. 53 3.1 1.2 W eb Interface .............................. ............................. ............................. .............. 54 3.12 Change Pass word for the Web Interface ....................................... .. ...

  • Cortelco 2757 - page 5

    5 1 Introduction 1.1 Package Conten ts Thank you for purchasing t he Cortelco 2757 V o ice over Interne t Protocol (V oIP) phone. T he following item s should be pack ed with the 2757. Pleas e contact your dealer if an y of them is missing. 2757 Phone (Ma in Body) 1 pcs Handset 1 pcs Handset Cable 1 pcs Network Cable 1 pcs Desk S tand 1 pcs 1.2 Fea ...

  • Cortelco 2757 - page 6

    6 1.3 Basic Setup Please follow the instructio ns below to conf igure the 2757 and mak e it ready to use. 1. Unpack the box and chec k for m issing items. 2. Connect an Eth ernet c able to the W AN jack on t he b ottom o f the 2 75 7. Be sure t he o ther end of this cable con nects to your network . In a hom e application, connect to your cable or ...

  • Cortelco 2757 - page 7

    7 7. All the lighted but tons on the phone sh ould no w briefly light. If not, please verif y that the phone has pow er . 7.1 B y default, the 2757 will use Dynam ic Host Configurati on Protocol (DHC P) to obtain an IP address autom atically . Y ou will see the mes sage below during th is time. If the phone is un able to get an IP address , the Mes ...

  • Cortelco 2757 - page 8

    8 2 Netw ork Setup 2.1 St atic IP Address 1. Press ‘Menu’ 2. Pres s ‘Up’ or ‘Down’ until ‘3. Settin gs’ is highlighted, th en press ‘Select’ . 3. Pres s ‘Up’ or ‘Down’ until ‘4. S ystem Conf iguration’ is s elected, then press ‘Selec t’. ...

  • Cortelco 2757 - page 9

    9 4. Press ‘Select’ when ‘1: Network Setting’ is hi ghlighted. Use ‘Up’ or ‘Down’ to change network setting to ‘S tatic’. Press ‘S ave’. 5. Press ‘Down’ until ‘2. IP Address (S tatic)’ is selec ted, and press ‘Select’. Y ou will be prom pted to enter an IP address. Us e the numeric keypad to input this address . ...

  • Cortelco 2757 - page 10

    10 6. Now you mus t set the subnet m ask. Press ‘Up’ or ‘Do wn’ until ‘3. Su bnet m ask (S tatic)’ is selected, then pr ess ‘Select’. Y ou’ ll be prom pted to input th e subnet m ask. Use the m ethod described abov e to enter the s ubnet m ask. 7. Now you mus t set the defa ult router . Press ‘Up’ or ‘Down’ u ntil ‘4. De ...

  • Cortelco 2757 - page 11

    1 1 10. If you onl y need to change the network s ettings, but don’t nee d to change th e SIP server inform ation (i.e. this is not an in itial setup), you must save the new network settings and reboot the 2757. T o save t he new networ k settings, pre ss ‘Up’ or ‘Down’ u ntil ’20. Comm it Changes’ is selected, t hen press ‘Select? ...

  • Cortelco 2757 - page 12

    12 2. Press ‘Up’ or ‘Down’ until ‘3. Settings’ is selected, t hen press ‘Select ’. 3. Press ‘Up’ or ‘Down’ until ‘4. System Configuration’ i s selecte d, then press ‘S elect’. 4. Press ‘Select’ on ‘1: Network Setting’. Use ‘Up’ or ‘Do wn’ to chan ge network setting to ‘PPPoE’. T hen press ‘Save? ...

  • Cortelco 2757 - page 13

    13 5. Pres s ‘Down’ until ‘7. PPP oE Usernam e’ is se lected, and press ‘Select’. Y ou’ ll be prom pted to enter a PPPoE user name. Us e the numeric k eypad to input your usernam e. For exam ple, to enter ‘B’, p ress ‘2’ rap idl y 3 times. The time between eac h ke y s trok e must be l ess than 2 seconds. If the time period i ...

  • Cortelco 2757 - page 14

    14 7. No w press ‘Down’ until ‘9. PPPoE Authm ode’ is se lected, and press ‘Select’. Press ‘Up’ or ‘Down’ t o select the PPP oE authentication m ode. After selecting eit her ‘P AP’ or ‘CHAP’, press ‘Save’ to save the setting. 8. After the PP PoE inform ation is set, please m ove to Se ction 2.5 to e nter your SIP ser ...

  • Cortelco 2757 - page 15

    15 10. T o reboot the 2757, press ‘Do wn’ to m ove to ’21. Reb oot S ystem’, and press ‘ Select’. ‘Rebooting’ will appear on the LC D screen. After the reboot is c ompleted, the 2757 is ready for use. 2.3 DHCP W hen using DHCP , an IP address will be issued t o your IP phone by the DHC P server on your local network . 1. Press ‘Me ...

  • Cortelco 2757 - page 16

    16 3. Press ‘Up’ or ‘Down’ until ‘4. System Configuration’ i s selecte d, then press ‘S elect’. 4. Press ‘Select’ on ‘1: Network Setting’, and use ‘Up’ or ‘Down’ to c hange network setting to ‘DHCP’, then press ‘Save’. 5. Please refer to Section 2.5 f or SIP server setup inform ation. 6. If you onl y need to ...

  • Cortelco 2757 - page 17

    17 7. T o reboot the 2757, press ‘Do wn’ to m ove to ’21. Reb oot S ystem’, and press ‘ Select’. ‘Rebooting’ will appear on the LC D screen. After the reboot is c ompleted, the 2757 is ready for use. 2.4 Network Setup (W eb Configuration) Y ou can also configure the network by using a web br owser . In order to d o this, you m ust f ...

  • Cortelco 2757 - page 18

    18 3. Press ‘Up’ or ‘Down’ until ‘5. Model Inform ation’ is se lected, then press ‘Select’. 4. Pres s ‘Up’ or ‘Down’ until ‘4. IP Address is hi ghlighted. Mak e a note of the IP address, and then press ‘Ex it’ three tim es to retur n to the main m enu. 2.4.2 Web Interface Network Configurati on 1. Us e a web brows er t ...

  • Cortelco 2757 - page 19

    19 2. After you have logged in, you will see a summ ary of the current n etwork settin gs. T o make changes or enter additional infor mation, click ‘Network ’ on the left. 3. On this screen, you can ch oose the connecti on mode ( static IP , PPPoE, or DHC P), enter the IP address in static IP mode, and enter PPPo E userna me and password. Y o u ...

  • Cortelco 2757 - page 20

    20 4. Now click ‘Management’ o n the left. T hen click the ‘Configurat ion Comm it / Reset’ tab. Press ‘COMMIT…’. W hen the ‘ Configurat ion O K’ mes sage a ppears, the n etwork s ettings have been saved. 5. Now click ‘Management’ a gain. Then cl ick the ‘S y s tem Restart’ tab, and click ‘REST ART…’. The 2757 will r ...

  • Cortelco 2757 - page 21

    21 2.5 SIP Server Info r mation Setup After the network setup is c om pleted, the SIP server inf ormation mus t be entered. 1. Press ‘Menu’ 2. Press ‘Up’ or ‘Down’ until ‘3. Settings’ is selected, t hen press ‘Select ’. 3. Press ‘Up’ or ‘Down’ until ‘4. System Configuration’ i s selecte d, then press ‘S elect’. ...

  • Cortelco 2757 - page 22

    22 4. Press ‘Up’ or ‘Down’ until ’14. SIP Proxy’ is s elected, th en press ‘Select’ . Use the num eric ke y pad to ent er the IP address of your SIP proxy . After the IP address is ent ered, press ‘Save’ t o keep changes, or ‘Cancel’ to discard. 5. Press ‘Down’ until ’1 5. SIP PortNum’ is selected, then press ‘Sele ...

  • Cortelco 2757 - page 23

    23 7. Press ‘Down’ until ’1 7. SIP Phone Num ’ is selected, th en press ‘Select’ . Use the num eric ke y pad to ent er your SIP phone num ber . After the SIP Phone Num ber is entered, press ‘Save’ t o keep changes, or ‘Cancel’ to discard. 8. Press ‘Down’ until ’1 8. SIP Password’ is selected, the n press ‘Select ’. U ...

  • Cortelco 2757 - page 24

    24 10. After all the settings are do ne, press ‘Do wn’ unti l ’20. Com mit Changes’ is selected, then press ‘Select’. W hen ’Chan ges saved’ is displa yed on the LCD s creen, all the s ettings are saved. 1 1. Press ‘Down’ to m ove to ’21. Reboot S ystem’, and pre ss ‘Select’. ‘Rebo oting’ will appear on the LCD sc re ...

  • Cortelco 2757 - page 25

    25 2.6 SIP Server Info r mation Setup (Web Co nfiguration) The web interf ace can also be used to enter SIP information. This is the onl y way to enter m ultiple SIP usernames and passwords . Please refer to Section 2.4.2 to access the web i nterface. Then follo w these inst ructions. 1. Click ‘SIP’ link on the left. 2. Y ou can ent er the SIP ...

  • Cortelco 2757 - page 26

    26 4. Click ‘Managem ent’. T hen click the ‘C onfiguration C omm it / Reset’ tab and pres s ‘COMMIT…’. W hen you see ‘Conf iguration O K’, the network s ettings have bee n properl y saved. 5. Click ‘Managem ent’. Cl ick ‘System Restart’ tab, and then click ‘REST ART…’ button. After the 2757 reboots, it will be read y ...

  • Cortelco 2757 - page 27

    27 2.7 A c cepting and Making Pho ne Calls After completing the net work and SIP settings, you can use the 2757 t o make and accept phone calls. 2.7.1 Accepting phone c alls Before you can rec eive pho ne calls, your phone mus t be registered to a SIP server . Y ou will see the mess age below on the LCD s creen when the phone is reg istered. If the ...

  • Cortelco 2757 - page 28

    28 The phone will ring when a c all is received. The line selector button besi de the LCD will also flash. If your service pro vider supports Caller ID, th e phone n umber of the calling party will be displa yed on the LCD sc reen. T o answer the ca ll, pick up the handset, press ‘ S peak er ’, or press ‘ Answer ’.. During the call, a timer ...

  • Cortelco 2757 - page 29

    29 The call is now on hold. Y ou will hear dial ton e again. T he rem ote party will hear music if the phone or server is c onfigur ed to deliver it. There are two t ypes of call transfer – Attended and Blind. In an Atte nded transf er the party initiating the tra nsfer rem ains connected until th e transf er is completed. In a Bl ind transfer th ...

  • Cortelco 2757 - page 30

    30 2.7.2.1.2 Blind T ransfer T o perform a blind transfer , dial the asterisk key ‘ * ’ after dialing the phone number for the transfer . Y ou will see the follo wing message d isplayed on t he LCD screen: At this point, the c all will be transferred. If a blind transf er fails, the call cannot be retrieved. 2.7.2.2 3-wa y T o create a 3-way co ...

  • Cortelco 2757 - page 31

    31 Before the third part y answers, you may drop the ca ll by pressing ‘End ’. The origin al party will then return as a n ew call. Press ‘Ans wer ’ t o return to the con versation. After the connection is m ade, you w ill see the f ollowing m essage disp layed on LCD s creen. If the third party refuses the conf erence ca ll and hangs up, t ...

  • Cortelco 2757 - page 32

    32 2.7.2.3 Line 2 Pressing this k ey places th e distant party on hold and prov ides a new dial ton e. A n ew call can then be placed. Y ou can toggle bet ween these calls with the ‘Switch ’ butto n. A second SIP registration is no t required f or this function. T he 2757 can supp ort up to two sim ultaneous calls (one active and o ne on hold). ...

  • Cortelco 2757 - page 33

    33 2.8 Caller ID on Ca ll W aiting The 2757 supports Cal ler ID on Call Waiting. W ith this ser vice, the 2757 will notif y you if you receive a second ca ll while you are o n the phone. It will also displ ay the num ber of the secon d call. P lease note that t his service m ust be provided by your ISP or V oIP PBX. W hen you are on a call and rece ...

  • Cortelco 2757 - page 34

    34 2.9 Calling History The 2757 m aintains a calling histor y database. Y ou c an check f or outgoing calls, incom ing calls, and missed calls. 1. Press ‘Menu’ 2. Press ‘Up’ or ‘Down’ ‘2. unti l Call Records’ is selected, then press ‘Select’. 3. Us e ‘Up’ and ‘Down’ to selec t a call record t ype. Press ‘Select’ to v ...

  • Cortelco 2757 - page 35

    35 2.9.1 Missed Calls All unanswered ca lls will be listed h ere. Y ou can use ‘Up’ a nd ‘Down’ to move in this list. Pres s ‘Dial’ to ca ll the num ber selected, pr ess ‘Delete’ to delete a selected entr y , or pres s ‘Exit’ to ret urn to previous m enu. 2.9.2 Received Calls All accepted pho ne calls are l isted here. Y ou c an ...

  • Cortelco 2757 - page 36

    36 2.10 Call Rejection (DN D) Do Not Disturb (D ND) can be use d to avoid phon e calls. T o activate DND, pr ess ‘DND’. T he icon will be dis played on the LCD screen. W hen DND is activated, callers will hear bus y tone or a voic e mail m essage if voice mail is av ailable. A DND forward num ber ma y also be s et (See Section 3.2.4 or 3.4). If ...

  • Cortelco 2757 - page 37

    37 2.1 1.2 Headset T o use a headset, insert the he adset plug into the hea dset jack of the 2757 as sho wn below . After the headset is connec ted, press ‘HEADSET’ to make and receive c alls. 3 Speed Dial & A dvance d Phone Configuration 3.1 Sp eed Dial The 2757 has 5 sp eed dial buttons . A p hone num ber m ay be programmed to eac h speed ...

  • Cortelco 2757 - page 38

    38 2. Num bers c an now be entered in th e spaces for S peed Dial 1 – 5. Onl y numbers m ay be placed in these spaces. T o save the settings, press ‘ Submit’ on the bottom of the webpage. 3.2 Call For w arding The 2757 supports three m ethods of c all forwarding. T hese num bers ma y a lso be entered on this web page. Again, only n umbers are ...

  • Cortelco 2757 - page 39

    39 3.3.2 End of Dial Ke y W hen enabled, the ‘#’ k ey will forc e immediate dialing. 3.3.3 DTMF T ype This controls the method by which DTMF tones are delivered. T he correct m ethod will d epend on the target application. For example, m any IVR system s will require In- Band tone. 3.3.4 RFC2833 Pa yload T ype for DTMF The RTP p a yload value f ...

  • Cortelco 2757 - page 40

    40 3.3.12 Set Ti me Zone The 2757 supports tim e zones base d on GMT . 3.3.13 NTP Server Address The 2757 keeps time based on signals from a Network T ime Protocol (NTP) server . Enter a valid NTP server address here. 3.4 Entry of Call For ward numbers from ph one Call forwarding n umbers can also be set from the phone. 1. Pres s ‘Menu’. Use ? ...

  • Cortelco 2757 - page 41

    41 3. Press ‘Down’ to highl ight the desired t ype of call f orward. Press ‘Select ’. 4. Enter the num ber using the k eyp a d. Press ‘Sa ve’ to s ave changes. Press ‘Clear ’ to erase a number , or press ‘C ancel’ t o keep the orig inal num ber unchanged. 3.5 Phone Boo k M anagemen t 3.5.1 Web Interface The web interf ace mus t ...

  • Cortelco 2757 - page 42

    42 2. Phone book entries will be displ ayed on this page, an d new nam es and num bers m ay be entered. After entering th e number and the name, press ‘Add’ to sa ve the entr y . T o delete an existin g entry , enter t he phone num ber in the ‘Number ’ field, and t hen press ‘Delete’. 3.5.2 Phone Interface Existing phone b ook entries c ...

  • Cortelco 2757 - page 43

    43 2. All ph one book entries will be d isplayed here. Us e ‘Up’ and ‘Down’ t o select a ph one book entry to dial. 3. After selecti ng a phone bo ok entry , press ‘Dial’ to dial the phone num ber , or ‘Exit’ to return to the previous m enu. 4. T o delete a n entr y , press ‘Del’. Be sure you wish to d elete the e ntr y beca use ...

  • Cortelco 2757 - page 44

    44 6. T o delete all phone b ook entries press ‘DelAll’ when the phone book entries are displa yed. Y ou will be prom pted to press 1 or 2 key (1 for YES and 2 for NO ). 3.6 Browse Sy stem Information System inform ation (IP address, m odel information, fir m ware version…etc.) can be disp layed using either the web interfa ce or the LCD scr ...

  • Cortelco 2757 - page 45

    45 3. Press ‘Up’ or ‘Down’ until ‘5. Model Inform ation’ is se lected, then press ‘Select’. 4. Al l system-r elated inform ation will be displa yed here. Press ‘Up’ and ‘Down’ to br owse, and press ‘Exit’ to end. 3.6.2 Web Interface 1. Click ‘S tatus’ ...

  • Cortelco 2757 - page 46

    46 2. Net work-related s ystem s ettings will be displa yed. 3. Click the ‘V ersion Inf orm ation’ tab, and firm ware-related inform ation will be d isplayed. ...

  • Cortelco 2757 - page 47

    47 3.7 Change Display Language The default langua ge of the 2757 is English. Ho wever , it can be ch anged to Ch inese. 1. Press ‘Menu’ 2. Press ‘Up’ or ‘Down’ until ‘3. Settings’ is selected, t hen press ‘Select ’. 3. ‘1. Language’ should be selected when this m enu is entered. If not, use ‘Up’ or ‘Down’ to select i ...

  • Cortelco 2757 - page 48

    48 4. Al l available l anguages will be displayed here. A ‘V’ sign will a ppear on the currentl y s elected language. Use ‘Up’ or ‘Down’ t o select the des ired language, and press ‘ Select’. Press ‘Exit’ to l eave this m enu without mak ing any changes. 3.8 Change Ring er T ype Ring tones can b e changed from the LCD sc reen as ...

  • Cortelco 2757 - page 49

    49 3. Pres s ‘Up’ or ‘Down’ until ‘2. Ring Ty pe’ i s selected, th en press ‘Select’. 4. All a vailable ring t ones will be listed here. Use ‘Up ’, ‘Down’, a nd ‘Select’ key to choose a ring tone. Press ‘Exit’ to r eturn to the pre vious menu after m aking a selection. A ‘V’ will appear on the c urrently sel ecte ...

  • Cortelco 2757 - page 50

    50 2. Pres s ‘Up’ or ‘Down’ until ‘3. Settin gs’ is selected, then press ‘Select’. 3. Pres s ‘Up’ or ‘Down’ until ‘3. Contrast ’ is se lected, then press ‘Select ’. 4. Pres s ‘Up’ to m ak e the displayed mess ages darker . Press ‘Down’ to m ake the dis played messages lighter . Press ‘Save’ keep the new s ...

  • Cortelco 2757 - page 51

    51 3.10 Reboot the IP Phone 3.10.1 Phone Interface 1. Press ‘Menu’ 2. Press ‘Up’ or ‘Down’ until ‘3. Settings’ is selected, t hen press ‘Select ’. 3. Press ‘Up’ or ‘Down’ until ‘4. System Configuration’ i s selecte d, then press ‘S elect’. ...

  • Cortelco 2757 - page 52

    52 4. Press ‘Up’ or ‘Down’ until ’21. Reboot S ystem’ i s selected, and press ‘Select’. Pr ess ‘Exit’ ke y to return to the pre vious m enu. 3.10.2 Web Interface 1. Click on ‘Managem ent’ ...

  • Cortelco 2757 - page 53

    53 2. Click the ‘System Restart’ tab, then click the ‘REST ART’ bu tton. T he web page will d isplay ‘Phone is restarting !! ’ The 2757 will be read y again in approx imately 1 m inute. 3.1 1 Factory Reset All stored settings c an be e rased b y resetting the 2757 to f actory defaults. 3.1 1.1 Phone Interface 1. Press ‘Menu’ 2. Pres ...

  • Cortelco 2757 - page 54

    54 3. Press ‘Up’ or ‘Down’ until ‘4. System Configuration’ i s selecte d. Then press ‘Sel ect’. 4. Press ‘Up’ or ‘Down’ until ’22. Factor y Default’ is s elected. Then press ‘Se lect’ to r estore the default settins. Press ‘Exit’ k ey to return to the previo us menu without m aking an y changes. 3.1 1.2 Web Inter ...

  • Cortelco 2757 - page 55

    55 2. Click ‘Configuration com m it / Reset’ tab. T hen click ‘RESET ’ button to res et to def aults. T o com plete the reset, click ‘COM MIT’ button and rebo ot the phone. 3.12 Change Pass w ord for the W eb Interfa ce The web l ogin password can be changed. Co nnect to the 275 7 with the w e b interface then follow the instructions be ...

  • Cortelco 2757 - page 56

    56 4 T roubl eshooting If your 2757 is not working pr operly , please c heck this troubleshooting chec klist. Scenario / Problem Solution Nothing is displa yed on LCD screen  Is the AC adapter p lugged into an e lectrical outlet?  Is the AC adap ter connect ed to the 2757?  If using PoE, check the PoE switch and the Ethernet cable.  Che ...

  • Cortelco 2757 - page 57

    57 5 Firmw are Up date 5.1 Upgrade Procedu re The s y s tem s oftware used by the 275 7 can be update d when a ne wer version is available. Please go to www .c ortelco.c om to check for a new vers ion of firm ware. T he following inform ation will be needed t o upgrade: • TFTP/FTP server address • Image file nam e • username (f or FTP only) ? ...

  • Cortelco 2757 - page 58

    58 2. Enter the upgrade ser ver (T FTP or FTP) address. Select the ser ver t ype (TFTP or FTP). Enter the upgrade f ilenam e, username, and password on this page. Note that TFTP does not require a user name or password. T hen press ‘SA V E’. After the inform ation is saved, press ‘UPGR ADE’, the IP Phone will connect to th e upgrade server ...

Manufacturer Cortelco Category Cordless Telephone

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- 2757 manuals
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Cortelco 2757.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Cortelco 2757 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Cortelco 2757.

A complete Cortelco manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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2. Contents - index of all tips concerning the Cortelco 2757, that we can find in the current document
3. Tips how to use the basic functions of the device Cortelco 2757 - which should help us in our first steps of using Cortelco 2757
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Cortelco 2757
5. FAQ - Frequently Asked Questions
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