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Joined: Feb 2019
Posts: 22
Member
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OP
Member
Joined: Feb 2019
Posts: 22 |
We are using SIP Carrier for ourside line that supports FAX T.38 option.
The FAX T.38 option is activated per standard in officeserv and MGI/OAS Card.
We tried to send several faxes but it does not work very well. I don't know if Officeserve is using the T.38 standard.
The question is: how does officeserv know that we are sending a fax or when to switch over to T.38. I didn't find any setting.
Thank you
Jonas
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Joined: Jun 2006
Posts: 3,004 Likes: 4
Moderator-Samsung
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Moderator-Samsung
Joined: Jun 2006
Posts: 3,004 Likes: 4 |
The system and your sip provider should auto negotiate t.38 when they detect fax tones.
You may need to use g711 for your codec rather than g729
Fax over ip I found to be unreliable. We always converted them to vfax (email based send/receive) if the carrier supported it.
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