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IPv6 SIP problem

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Have a problem with registering SIP soft phones in CME

If I disable ipv6 on client side - everything works just fine and account registers.


Oversearched all google - nothing.

System image file is "flash0:c2900-universalk9-mz.SPA.155-3.M3.bin"

Aug 5 08:44:31.774: //28090/A9A0BBC48FEF/SIP/Error/ccsip_spi_register_incoming_registration:

CCSIP_REGISTER:: Failed: IPv6 contacts are not supported

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