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abbas.mirza81
Beginner

Load balancing SIP through DNS SRV records

Hi,

I need help for my SIP implementation. I would like to give you a brief idea of the topology.

We  have a single SIP service for the provider which is connecting to the  Cisco 2900 router. Internally we have two Microsoft Lync Server which  are accepting the voice calls which is working as a PBX.

I  have configured DNS SRV on the cisco router and the incoming calls work  just perfect. The issue for the outgoing calls which fails.

If  I configure IP address instead of the DNS record in the dial peer both  incoming and outgoing work perfect, the issue arises when I use DNS  instead of IP address

Find attached the configuration and debugs for both working and not working of Cisco Router.

I would appreciate if you can assist me in this.

Regards,

Abbas Mirza

1 REPLY 1
Daniele Giordano
Rising star

Try a "debug domain" to check name resolution.

Regards.

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