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Cisco Systems 2600 - page 1
1 Cisco IOS Release 12.1(5)T Cisco Hoot and Holler over IP The voi ce multicasting feature on Cisco 2600 and Cisco 3600 series rout ers uses Cisco V oice-ov er -IP (V oIP) technology to creat e a p erman en tly conn ect ed po int-to -mul tipoin t h oot an d holl er netw o rk o v er an IP connection. Four -wire E&M, E1/T1, FX O, and FXS conf igu ...
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Cisco Systems 2600 - page 2
Cisco Hoot and Holler over IP Feature Overview 2 Cisco IOS Release 12.1(5)T Hoot and holler is used in these v arious industries as a way to pro vide a one-to -man y or man y-to-m an y conferencing service for v oice commu nications. In the p ast, hoot and holler w as deplo yed using point-to-poin t telco circuits and a hoot an d holler bridging an ...
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Cisco Systems 2600 - page 3
Cisco Hoot and Holle r over IP Feature Overview 3 Cisco IOS Release 12.1(5)T Hoot and holler net works are typically spread ov er four to eight sites, although financial retail netwo rks may hav e hundreds of sites interconnected. W ithin a site, bridging (mixing v oice signals) is done locall y with a standard anal og or digital bri dge that may b ...
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Cisco Systems 2600 - page 4
Cisco Hoot and Holler over IP Feature Overview 4 Cisco IOS Release 12.1(5)T Figure 2 Hoot and Holler o ver IP us ing Cisco 2600 and Cisco 3600 Ser ies Routers Four -wire E&M, E1/T1, FX O, and FXS conf igurations provide continu ous V oIP connections across a packet netw ork. By using the i nherent point-to -mul tipoint characteristic of IP mc, ...
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Cisco Systems 2600 - page 5
Cisco Hoot and Holle r over IP Feature Overview 5 Cisco IOS Release 12.1(5)T IP/TV Access The Cisco Hoot and Holler o ver IP feature enables yo u to access ongoi ng IP/TV multicasts for listening to v oice content of the IP/ TV session. For complete information on IP/TV , see the IP/TV Co ntent Manag er Installation a nd User Guide . Figur e 3 Cisc ...
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Cisco Systems 2600 - page 6
Cisco Hoot and Holler over IP Feature Overview 6 Cisco IOS Release 12.1(5)T – The port number mu st be 80, becau se it is HTTP . – Click OK and e xit. Note In the Content Manager , be sure to speci fy the multicast IP addres s and R TP port for the Cisco Hoot and Holl er ov er IP session. Interactive Voi ce Response (IVR) The Cisco Hoot and Hol ...
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Cisco Systems 2600 - page 7
Cisco Hoot and Holle r over IP Feature Overview 7 Cisco IOS Release 12.1(5)T Technical Details of the Cisco Hoot and Holler over IP Solution This section describes ho w Cisco Hoot and Holler o v e r IP works from a technical perspecti ve. It co vers design considerat ions in terms of IO S configur ations and DSP mixing funct ionality as well as ban ...
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Cisco Systems 2600 - page 8
Cisco Hoot and Holler over IP Feature Overview 8 Cisco IOS Release 12.1(5)T is handled by the onboard DSPs on each voice- card (NM-1V , NM-2V or NM -HD V). Arbitration in volves identifying the v arious so urces of the voice stream, and mixin g inv olves taking some of those voi ce streams and combining them into a si ngle-sourced v oice stream. Ci ...
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Cisco Systems 2600 - page 9
Cisco Hoot and Holle r over IP Feature Overview 9 Cisco IOS Release 12.1(5)T The uncompressed bandwidth in cludes IP/UDP/R TP head ers (40 bytes) in the band width calculation. Compressed R TP (cR TP) reduces the IP/UDP/R TP headers to between 2 to 4 byt es per packet. Th e calculation of compressed bandwidth below uses 4 bytes for a compressed IP/ ...
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Cisco Systems 2600 - page 10
Cisco Hoot and Holler over IP Feature Overview 10 Cisco IOS Release 12.1(5)T enabled or disabled, b ut since the DSPs also hav e to do arbitration and mixing, V AD mu st be disabled to reduce the DSPs proc essing load. In addition to enabling V A D (which is on b y default) , network administrators should modify the V AD paramet ers that sense b ac ...
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Cisco Systems 2600 - page 11
Cisco Hoot and Holle r over IP Feature Overview 11 Cisco IOS Release 12.1(5)T In this ex ample, the digits in th e connection trunk 111 string match the destination pat tern of the V oIP dial peer . Also, the session protocol is set to multicast and th e session target is pointing to the IPmc group number with the UDP port (22222) predef ined. Bene ...
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Cisco Systems 2600 - page 12
Cisco Hoot and Holler over IP Supported Platforms 12 Cisco IOS Release 12.1(5)T Supported Platforms Router Platforms: • Cisco 2600 • Cisco 3600 s eries Network Modules: • NM-HD V • NM-1V • NM-2V Supported Standards, MIBs, and RFCs Standards No ne w or modif ied standards are support ed by this featu re. MIBs No ne w or modif ied MIBs are ...
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Cisco Systems 2600 - page 13
Cisco Hoot and Holle r over IP Configuration Tasks 13 Cisco IOS Release 12.1(5)T Configuring Multicast Routing (Required) T o enable multicast routing on the pl atform, perform the follo wing steps: Configuring the Virtual Interface (Required) T o configure the v irtual interface fo r multicast fast switching, perform t he follo wing steps: Configu ...
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Cisco Systems 2600 - page 14
Cisco Hoot and Holler over IP Configuration Tasks 14 Cisco IOS Release 12.1(5)T Step 5 Router(config-dial-peer)# ip precedence number (Optional) Specifies the IP precedence. Step 6 Router(config-dial-peer)# codec ( codec-type } Conf igures t he codec. Y ou must conf igure the same codec on all dial peers in a session. When the default codec, g729r8 ...
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Cisco Systems 2600 - page 15
Cisco Hoot and Holle r over IP Configuration Tasks 15 Cisco IOS Release 12.1(5)T Configuring E&M Voice Ports (Required, if used) If using E&M v oice ports, co nf igure them by p erforming the follo wing steps: Command Purpose Step 1 Router(config)# voice class permanent tag1 Def ines voice class for transmit-receiv e mode. Step 2 Router(con ...
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Cisco Systems 2600 - page 16
Cisco Hoot and Holler over IP Configuration Tasks 16 Cisco IOS Release 12.1(5)T Configuring for Receive Only Mode (Optional) T o configure Cisco Hoot and Holler o ve r IP as recei ve-only mod e, perform the follo wing st eps: Configuring Relevant Interfa ce (Serial/Ethernet) (Required) T o configure either the serial or Ethernet interf ace, perform ...
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Cisco Systems 2600 - page 17
Cisco Hoot and Holle r over IP Configuration Examples 17 Cisco IOS Release 12.1(5)T Configuring Voice Ports in High-Density Voice Network Modules (Required, if using T1/E1) A multiflex t runk interface car d (NM-HD V) in a high-densit y voice netw ork module requi res special voi ce-port conf iguration when conn ecting for T1/E1 operation. Perform ...
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Cisco Systems 2600 - page 18
Cisco Hoot and Holler over IP Configuration Examples 18 Cisco IOS Release 12.1(5)T Note In all of the foll owi ng conf iguration e xamples, th e routers are conf igured wit h an interface vif1 command. This is a virtual interf ace that is similar to a loopback interface—it is a logical IP in terface that is a lways up wh en the router is activ e. ...
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Cisco Systems 2600 - page 19
Cisco Hoot and Holle r over IP Configuration Examples 19 Cisco IOS Release 12.1(5)T Note The connection-trunk connecti on type is a point-to-point connection, similar to a tie-line on a PBX network. A ll voi ce traf f ic—including sig naling—placed at one end is immediately transferred to the other . Note The E&M voice port must be conf igu ...
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Cisco Systems 2600 - page 20
Cisco Hoot and Holler over IP Configuration Examples 20 Cisco IOS Release 12.1(5)T Verifying the Configuration If you ha ve con figured your routers b y follo wing these e xamples, you shoul d no w be able to talk o ver the telephones. Y ou can also use the show di al -pe er vo ice command on each router to verify that the data you conf igured is c ...
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Cisco Systems 2600 - page 21
Cisco Hoot and Holle r over IP Configuration Examples 21 Cisco IOS Release 12.1(5)T Dial peers are identif ied b y numbers, b ut to a vo id confusing these numb ers with telephone numb ers, they ar e usually ref erred to as t ags. Dial peer ta gs are inte gers that can range fro m 1 to 2 31 -1 (2147483647). Dial peers on th e same router must ha v ...
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Cisco Systems 2600 - page 22
Cisco Hoot and Holler over IP Configuration Examples 22 Cisco IOS Release 12.1(5)T Voice Multicasting over a WAN The config uration for voice multicasting sessions ov er IP on Frame Relay is the same as for the Ethernet LAN in the pre vious e xample. Conf igure th e W AN interface on each router with the ip address and ip pim sparse-dense-mode comm ...
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Cisco Systems 2600 - page 23
Cisco Hoot and Holle r over IP Configuration Examples 23 Cisco IOS Release 12.1(5)T Cisco Hoot and Holler over IP with Ethernet Topology (Two Hoot Groups) Figur e 5 Cisco Hoot and Ho ller o ver I P with Ether net T opology In this conf iguratio n, two hoot and holler grou ps are set up by defi ning two mul ticast groups (237.111.0.111 and 237.111.0 ...
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Cisco Systems 2600 - page 24
Cisco Hoot and Holler over IP Configuration Examples 24 Cisco IOS Release 12.1(5)T music-threshold -30 operation 4-wire ! voice-port 1/0/1 voice-class permanent 1 connection trunk 112 music-threshold -30 operation 4-wire ! dial-peer voice 111 voip destination-pattern 111 session protocol multicast session target ipv4:237.111.0.111:22222 ip preceden ...
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Cisco Systems 2600 - page 25
Cisco Hoot and Holle r over IP Configuration Examples 25 Cisco IOS Release 12.1(5)T Router-3 (FXO Po rts) hostname Router-3 ! ip multicast-routing ! voice class permanent 1 signal timing oos timeout disabled signal keepalive 65535 ! interface Vif1 ip address 3.3.3.3 255.255.255.0 ip pim sparse-dense-mode ! interface Ethernet0/0 ip address 1.5.13.3 ...
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Cisco Systems 2600 - page 26
Cisco Hoot and Holler over IP Configuration Examples 26 Cisco IOS Release 12.1(5)T broadcast-queue is only 40 packet s deep and Cisco Hoot and Holler over IP transmits packets at 50 packets per second. Unless the queue is disabled, so me packets would be dropped and v oice QoS would be degraded. Router-1 hostname Router-1 ! ip multicast-routing ! v ...
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Cisco Systems 2600 - page 27
Cisco Hoot and Holle r over IP Configuration Examples 27 Cisco IOS Release 12.1(5)T ip precedence 5 Router-2 hostname Router-2 ! ip multicast-routing ! voice class permanent 1 signal timing oos timeout disabled signal keepalive 65535 ! interface Vif1 ip address 2.2.2.2 255.255.255.0 ip pim sparse-dense-mode ! router rip network 2.2.2.0 network 5.5. ...
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Cisco Systems 2600 - page 28
Cisco Hoot and Holler over IP Configuration Examples 28 Cisco IOS Release 12.1(5)T ! interface Vif1 ip address 3.3.3.3 255.255.255.0 ip pim sparse-dense-mode ! router rip network 3.3.3.0 network 5.5.6.0 ! interface Serial0/0 no ip address ip pim sparse-dense-mode encapsulation frame-relay frame-relay traffic-shaping no frame-relay broadcast queue ! ...
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Cisco Systems 2600 - page 29
Cisco Hoot and Holle r over IP Command Reference 29 Cisco IOS Release 12.1(5)T Command Reference This section documents a ne w command. Al l other comma nds used with this feature are documented in the Cisco IOS Release 12.1 command reference publications. • session prot ocol multicast ...
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Cisco Systems 2600 - page 30
Cisco Hoot and Holler over IP session protocol multicast 30 Cisco IOS Release 12.1(5)T session protocol multicast T o set the session protocol as multicast, use the session pr otocol multicast dial-peer configuration command. T o negate this command and return to the cisco def ault session protocol , use the no vers i on of this command. session pr ...
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Cisco Systems 2600 - page 31
Cisco Hoot and Holle r over IP Glossary 31 Cisco IOS Release 12.1(5)T Glossary CIR —Committed information rate. The a verag e rate of information transfer a subscrib er (for example, the network admi nistrator) has st ipulated for a Frame-Relay PVC. Codec —Coder-d ecoder . Devi ce that typical ly uses pu lse-co de modulation (PCM) to transform ...
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Cisco Systems 2600 - page 32
Cisco Hoot and Holler over IP Glossary 32 Cisco IOS Release 12.1(5)T VNM —V oice network module. Vo I P —V oice over Internet Protocol. ...
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