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connect cucm 7 with IMS through cisco IOS based router

i want to connect sccp phones in CUCM 7 with non cisco SIP server (huawei IMS),the IMS server will give the outside lines for the call manager cluster.

they give me a username and password to connect to the sip server then the SIP server provide multiable outside line for the users inside the cluster ,so the username and the pass just to establish the trunk connection not for a user.

IMS.jpg

i established a sip trunk from cucn 7 to cisco 2911, then 2911 will register with the sip server through user agent .

what i did in the cucm 7:

  • •1-      creat a sip secrity  profile with Digest Authentication
  • •2-      creat sip trunk and assciatet the security profile to it
  • •3-      create a rout pattern 99.xxxxxxxxxx
  • •4-      in the rout pattern I choosed the sip trunk that I created earliar.,but when I prees save it force me to choose force authorization code I don’t know why.

ROUTE PATTERN.png

what i did in the ciscco 2911:

1-creat a user agent:

sip-ua

authentication username ********** password ***********

registrar ipv4:172.16.200.1 expires 3600

sip-server ipv4:172.16.200.1

retry invite 2

retry response 2

retry bye 2

retry cancel 2

2- dial peer for 99…. calls

dial-peer voice 99 voip

destination-pattern 99..........

session protocol sipv2

session target sip-server

when I tried to call by one of the SCCP phones I get message inter the authorization key????

please tell me if what I did is right or wrong

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