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SIP devices

HI, I have a SIP nokia device associate to CUCM 6.x, it works fine between internal phones, but when I try to go to the PSTN it fails in the Gateway. Do you know if there is something additional to add in the gateway side?

  • IP Telephony
3 REPLIES
Green

Re: SIP devices

Do u use a different codec?

what about CSS?

can u give us more details how it fail?

last digit fast busy, etc?

do u see the call being sent to the GW?

thanks

New Member

Re: SIP devices

Is the SIP phone in the same Calling Search Space like the others internal phones?

Re: SIP devices

Do you use FAC? if yes then assign to that phone a CSS without restrictions for going out to the PSTN.

Sent from Cisco Technical Support iPhone App

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