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why does echo canceler make problem ?

hi

AS 5350 is connected to the PSTN with E1.

when i call to the PSTN end from IPphone or with the opposite direction and

instantaneously IPphone end speak up, that moment the PSTN end has a listening problem.

the problem was solved, as soon as i did disable the echo canceler fuction.

but surely this time echo problem was come out.

1 REPLY
Bronze

Re: why does echo canceler make problem ?

If echo delay is longer than the provisioned tail length, echo cancellation will not work.

http://www.cisco.com/en/US/products/hw/vcallcon/ps2027/products_installation_guide_chapter09186a00800c1a3a.html#1222556

You can learn more about echo related issues here

http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a0080149a1f.shtml

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