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Community Member

Sip error 488

I'm running 3 7940's running SIP image 6.3. I using asterisk as pbx software.

The 3 phones I have setup have extensions

2000

2001

2002

Whenever I call another phone I get the following debugging messages from the pbx.

*CLI> -- Executing Dial("SIP/2001-0bb5", "SIP/2002|30|tr") in new stack

-- Called 2002

-- Got SIP response 488 "Not Acceptable Here" back from 192.168.22.199

== No one is available to answer at this time

-- Timeout on SIP/2001-0bb5

I've reset to factory defaults all the phones, a couple of times. I'm wondering if anyone has any insite into this error. I *believe* the phone is sending this error message but have little knowledge on if this error is cause by the phone, pbx or a both.

Sorry about the level of vaugeness, this is my first run and voip.

1 REPLY
Community Member

Re: Sip error 488

I answered my own question. Turns out the pbx, not the phone wasn't configured to use a codec properly. Once that was put in place the codec ulaw worked fine.

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