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Can IP Phone register with PhoneProxy while supporting SRST

Design Diagram:

IP Phones are currently registered across the internet to Cisco PhoneProxy -There is IPSec Site-to-Site VPN in place for Data Traffic "only"

Question:

I want to setup SRST on the local router incase connectivity is lost btwn the ip phone(s) and the phoneproxy and/or the phoneproxy and call manager.

How will the ip phone(s) treat SRST if any of the above scenarios are introduced?

Since the PhoneProxy rewrite the XML files on the phone - Is it possible to have SRST in this design scenario?

1 REPLY
Bronze

Re: Can IP Phone register with PhoneProxy while supporting SRST

You need a minimum of SRST 4.1 to support these two IP Phone models;

Cisco Unified SRST 4.1 Supported Firmware, Platforms, Memory, and Voice Products

http://www.cisco.com/en/US/docs/voice_ip_comm/cusrst/requirements/guide/srs41spc.htm

Have a look at this extract from:

http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/vcallcon/ps2169/prod_qas0900aecd8028d113.html

Cisco Unified Survivable Remote Site Telephony

http://www.cisco.com/en/US/products/sw/voicesw/ps2169/products_device_support_tables_list.html

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