Cisco SPA509G to Cisco SPA509G

Unanswered Question
Aug 29th, 2012
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Is there a way to configure the phones (Cisco SPA509G) so that they talk to each other, like an intercom system?

Or configure them to talk to each other, IP to IP?

Basically internally we would have 16 Cisco phones, they would connect to a Cisco switch, a Linksys Router (WRT-54GL with DD-WRT) and then to a Satellite Modem.

This would be in Alaska, so the four to five second delay when it has to make the strip to the VoIP server back east can't really be done.

Would we need to have a Gateway device, like an Session Border Controller in play?

Thank you in advance.


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JohnHarris00 Wed, 08/29/2012 - 15:05
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Thank you Randall, I'll give this a shot and let you know if it worked.

Anything I should be aware of trapfall wise?

JohnHarris00 Thu, 09/06/2012 - 14:34
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Well I gave it a shot using both SPA509G's, and SPA-2102's.  Neither worked out.

Any advice where to go from here, Randall?

Thank you in advance.



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