I am looking for some assistance with my configuration. We have ordered a SIP trunk from our telco but we only want to use an E1 PRI line on our voice gateway. So, we want to install an additional 2800 cisco router which will act as a converter (SIP-to-PRI). It will connect to the SIP trunk and also connect 2 x E1 PRI lines to our production voice gateway.
I am not 100% confident on the configuration to do this, so was hoping someone could take a look at my config and advise. So far, this is the configuration that I have:
CONFIG GUIDE FROM SIP PROVIDER:
Customer IP Address: 172.29.57.234 /30 SIP provider IP address: 172.29.57.233 /30
the folowing parameters have to be defined:
Protocol= SIP SIP Port = 5060 Transport Protocol=UDP Voice Codec= G711 A-Law DTMF = IN-Band DTMF with RFC2833 SIP Server IP address = 10.200.7.157 RANGE : 112127400 -112127499 VLAN= 2122
Numbers should be defined in both ways: 1. Locally as 7 digits 2. Nationally as 9 digits
controller E1 1/1 pri-group timeslots 1-31 !
interface Serial1/1:15 no ip address isdn switch-type primary-net5 isdn incoming-voice voice no cdp enable no shutdown ! voice translation-rule 1 rule 1 /^9/ // ! voice translation-profile Outbound_SIP translate called 1 ! dial-peer voice 100 pots description **Dial-Peer to match Incoming calls from SIP TRUNK and to send across PRI** incoming called number . direct-inward-dial port 1/1:15 ! dial-peer voice 1000 voip translation-profile outgoing Outbound_SIP destination-pattern 9T voice-class codec 1 session protocol sipv2 session target ipv4:172.29.57.233 dtmf-relay rtp-nte no vad !
@Tagir, thank you very much for your input, much appreciated.
@Niranjan, thanks, I will add "destination-pattern 5..." under the POTS dial peer. For example, the provider will send in 4 digits to us (5xxx) when calling a DDi number, so this should send that call across PRI, right ??
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