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SIP trunk configuration

k.elnokrashy1
Level 1
Level 1

I have a cucm 9  connected to 2921 router MGCP Gate way 
we use  FXO line 

we tried to replace the FXO by SIP trunk 

but when we try to make a call from out side to the call manager 

the telephone ring but when we pick up the phone we don not hear any thing and the calling person still hearing the ring

and from inside to outside we hear the wrong number message  

I attached the configuration file - the ccsip debug text

I appricaiate your help 

31 Replies 31

lorenz84gDD
Level 1
Level 1

be carefull disabling 100rel might affect pstn messages playing

------- have a look to my blog lgrconsulting.com

Hello All

We have this issue too with softx3000,

any calls (incoming and outgoing) cant work. becuase technicals of provider said "we cant recive any response by your GW" but router 2811 are sending 180 , and after a while i give 504 error gateway time our error with this trying

 

Provider SBC

Huawei SoftX3000                                Cisco CME                              IP Phone

-------------------------------->Router 2811<------------ ^ extension 105

i attached trace file and picture of wireshar,

is there anyone that has experianceabout this issue ?

wireshark Telecom01.png