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New Member

CUCM 9.1 ipv6 SIP registration issue

   Hi everybody,

I set up a CUCM 9.1 machine to work on ipv6. Problem is, if I try to register any SIP ipv6 enabled device (Polycom IP phone, Phoner Lite softphone), I'm getting "Destination unreacheable (port unreachable)".

Registration works fine when using ipv4.

I run through the check list from here: http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/trouble/8_0_1/tbfeat.html#wp1166459 and everything is configured as requested.       

Is it possible that CUCM uses a different port than 5060 for SIP on ipv6?

Any idea what could be wrong here?

Thanx

1 REPLY
New Member

CUCM 9.1 ipv6 SIP registration issue

It seems that CUCM doesn't support (yet?) Third Party SIP devices on IPv6.

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