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Provided by: Staffan Kerker

Configuring a Cisco 2811 Router for use as a PSTN gateway with sipXecs

Cisco Configuration Info for IOS 12.2

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1. Copy the following example, starting with the first exclamation point and ending with end (end).
2. Open a terminal window/telnet to the Cisco gateway.
3. At a command prompt enter the Write to Screen command (e.g., Cisco#wr t) after gaining access through protected mode (enter the "enable" command at a command line prompt to enter protected mode and a # sign displays with the prompt) and a similar configuration displays.
4. Type the config command to enter an editable mode and copy the file example into the Cisco gateway.

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   ! ! Last configuration change at 12:45:06 GMT Thu Apr 21 2005 ! NVRAM config last updated at 12:45:29 GMT Thu Apr 21 2005 ! version 12.2 service timestamps debug datetime msec service timestamps log datetime no service password-encryption ! hostname SIPxchangeGW ! boot system flash: logging console informational logging monitor warnings enable secret 5 $1$fzy9$AZFTI7pk7wB.eeH6ELL6R0 enable password P1ng-Restart!! ! Enabling FXS interface registration on Cisco SIP Gateway: clock timezone GMT -5 ip subnet-zero ! ! ip tcp path-mtu-discovery ip domain list pingtel.com ip domain name pingtel.com ip name-server 10.1.#.## ! ! ! template mon ! ! voice call carrier capacity active ! voice service voip sip ! voice class codec 1 codec preference 1 g711ulaw codec preference 2 g711alaw codec preference 3 g729br8 ! ! ! ! ! ! ! ! voice source-group secured access-list 1 disconnect-cause call-reject ! ! fax interface-type fax-mail mta receive maximum-recipients 0 ! ! ! ! interface Ethernet0/0 ip address 10.1.##.# 255.255.###.# no ip mroute-cache half-duplex ! interface Ethernet0/1 ip address 10.1.##.# 255.255.###.# no ip mroute-cache shutdown full-duplex ! ip default-gateway 10.1.##.# ip classless ip route 0.0.0.0 0.0.0.0 10.1.##.# ip route 10.1.#.# 255.255.###.# 10.1.##.# no ip http server ! ! logging 10.1.#.## ! snmp-server packetsize 4096 snmp-server enable traps tty call rsvp-sync ! voice-port 1/0/0 input gain 8 no vad connection plar 100 description SIPxchange1 caller-id enable supervisory disconnect dualtone pre-connect supervisory answer dualtone ! voice-port 1/0/1 input gain 8 no vad connection plar 100 description SIPxchange2 caller-id enable supervisory disconnect dualtone pre-connect supervisory answer dualtone ! voice-port 1/1/0 input gain 8 no vad connection plar 100 description SIPxchange3 caller-id enable supervisory disconnect dualtone pre-connect supervisory answer dualtone ! voice-port 1/1/1 input gain 8 no vad connection plar 100 description SIPxchange4 caller-id enable supervisory disconnect dualtone pre-connect supervisory answer dualtone ! ! mgcp profile default ! dial-peer cor custom ! ! ! dial-peer voice 100 voip huntstop application session destination-pattern ... rtp payload-type nte 98 voice-class codec 1 session protocol sipv2 session target sip-server dtmf-relay rtp-nte ! dial-peer voice 10 pots huntstop application session destination-pattern 1.......... port 1/0/0 forward-digits all ! dial-peer voice 11 pots huntstop application session destination-pattern 1.......... port 1/0/1 forward-digits all ! dial-peer voice 12 pots huntstop application session destination-pattern 1.......... port 1/1/0 forward-digits all ! dial-peer voice 13 pots huntstop application session destination-pattern 1.......... port 1/1/1 forward-digits all ! dial-peer voice 30 pots huntstop application session destination-pattern 911$ port 1/0/0 forward-digits all ! dial-peer voice 31 pots huntstop application session destination-pattern 911$ port 1/1/0 forward-digits all ! dial-peer voice 32 pots huntstop application session destination-pattern 911$ port 1/0/1 forward-digits all ! dial-peer voice 33 pots huntstop application session destination-pattern 911$ port 1/1/1 forward-digits all ! dial-peer voice 40 pots huntstop application session destination-pattern 411$ port 1/0/0 forward-digits all ! dial-peer voice 41 pots huntstop application session destination-pattern 411$ port 1/1/0 forward-digits all ! dial-peer voice 50 pots huntstop application session destination-pattern 9...$ port 1/0/0 forward-digits 3 ! dial-peer voice 51 pots huntstop application session destination-pattern 9...$ port 1/0/1 forward-digits 3 ! dial-peer voice 52 pots huntstop application session destination-pattern 9...$ port 1/1/0 forward-digits 3 ! dial-peer voice 53 pots huntstop application session destination-pattern 9...$ port 1/1/1 forward-digits 3 ! dial-peer voice 20 pots huntstop application session destination-pattern .......$ port 1/0/0 forward-digits all prefix 1781 ! dial-peer voice 21 pots huntstop application session destination-pattern .......$ port 1/0/1 forward-digits all prefix 91781 ! dial-peer voice 22 pots huntstop application session destination-pattern .......$ port 1/1/0 forward-digits all prefix 91781 ! dial-peer voice 23 pots huntstop application session destination-pattern .......$ no digit-strip port 1/1/1 forward-digits all prefix 91781 ! dial-peer voice 14 pots huntstop application session destination-pattern .......... port 1/0/0 forward-digits all prefix 1 ! dial-peer voice 15 pots huntstop application session destination-pattern .......... port 1/0/1 forward-digits all prefix 1 ! dial-peer voice 16 pots huntstop application session destination-pattern .......... port 1/1/0 forward-digits all prefix 1 ! dial-peer voice 17 pots huntstop application session destination-pattern .......... port 1/1/1 forward-digits all prefix 1 ! dial-peer voice 60 pots huntstop application session destination-pattern 011.+ port 1/0/0 forward-digits all ! dial-peer voice 61 pots huntstop application session destination-pattern 011.+ port 1/0/1 forward-digits all ! dial-peer voice 62 pots huntstop application session destination-pattern 011.+ port 1/1/0 forward-digits all ! dial-peer voice 63 pots huntstop application session destination-pattern 011.+ port 1/1/1 forward-digits all ! dial-peer voice 70 pots huntstop application session destination-pattern 00$ port 1/0/0 forward-digits all ! dial-peer voice 71 pots huntstop application session destination-pattern 00$ port 1/1/0 forward-digits all ! dial-peer voice 72 pots huntstop application session destination-pattern 00$ port 1/0/1 forward-digits all ! dial-peer voice 73 pots huntstop application session destination-pattern 00$ port 1/1/1 forward-digits all ! dial-peer voice 101 voip huntstop application session destination-pattern

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1. A-Z..................... rtp payload-type nte 98 voice-class codec 1 session protocol sipv2 session target sip-server dtmf-relay rtp-nte ! dial-peer voice 130 pots huntstop application session destination-pattern 0$ port 1/0/0 forward-digits all ! dial-peer voice 131 pots huntstop application session destination-pattern 0$ port 1/1/0 forward-digits all ! dial-peer voice 132 pots huntstop application session destination-pattern 0$ port 1/0/1 forward-digits all ! dial-peer voice 133 pots huntstop application session destination-pattern 0$ port 1/1/1 forward-digits all ! gateway timer receive-rtcp 5 ! sip-ua max-forwards 15 no oli sip-server dns:pingtel.com ! ! line con 0 exec-timeout 0 0 line aux 0 exec-timeout 0 0 line vty 0 4 exec-timeout 0 0 password sip login line vty 5 15 login ! ntp clock-period 17181250 ntp source Ethernet0/0 ntp server 192.43.244.18 ! end

Enabling FXS interface registration on Cisco SIP gateway:

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