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Receiving incomplete faxes

We have the following VoIP setup:

Site1_PBX---VoIPgw--**network**--VoIPgwGk--Site2_PBX--**network**--VoIPgwGk--Site3_PBX

codec = G.711

fax protocol = modem passthrough

voice and fax are working fine in both directions between Site1 and Site2.

voice and fax are working fine in both directions between site2 and site3

Voice between Site1 and Site3 is working fine in both directions.

FAX is working fine from Site3 to Site1.

However FAX is not working fine from Site1 to site3..In deed, if we need to send more than 1 page fax, only the first page is printed/received and not all the pages.

Thanks for your quick feedback as this solution is up and running.

Mohamed

1 REPLY
Hall of Fame Super Gold

Re: Receiving incomplete faxes

Which internfaces are you using fro PBX to GW ?

If E1/T1, please send "show controller E1".

You may have slips or clock issues causing that.

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