[cisco-voip] NEX NEAX 2000 IVS E1 ISDN

Graham, Darel Darel.Graham at Globalcrossing.com
Mon Mar 19 11:59:19 EST 2007


Well it has been a bit of time since I last asked for assistance on this
one, so here goes. 
I started working on this in November and it still isn't working all the
way. 

First off I am using a Cisco 2611XM (not by my choice) with an E1
controller card. 

network-clock-participate wic 1
controller E1 0/1
 framing NO-CRC4
 pri-group timeslots 1-31


voice-port 0/1:15
 bearer-cap Speech

The Serial interface is configured as follows

interface Serial0/1:15
 no ip address
 encapsulation hdlc
 ip mroute-cache
 no logging event link-status
 no snmp trap link-status
 isdn switch-type primary-net5
 isdn overlap-receiving
 isdn protocol-emulate network
 isdn incoming-voice modem
 isdn T310 40000
 isdn send-alerting
 isdn negotiate-bchan resend-setup
 isdn sending-complete
 no cdp enable

dial peers are configured as

dial-peer voice 2 pots
 destination-pattern 34..
 no digit-strip
 direct-inward-dial
 port 0/1:15
 forward-digits all

dial-peer voice 118 voip
 destination-pattern 56..
 session target ipv4:180.201.200.2


When in this configuration it works for incoming call to dial-peer 2
pots. 
But outgoing, from the pbx on the ISDN E1, is broken. I have changed the
Serial 0/1:15 
back to isdn incoming-voice voice and now it is broken the other way. I
suspect that there is no way to fix this problem. 

Remember that the 2611xm is connected to a NEC NEAX 2000 IVS and the far
end (WAN cloud from Uruguay to Miami) is a CCM 
( so I have no control over the CCM side).

Anybody willing to tell me something that will fix it?

Darel 



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