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| Joined: Feb 2019 Posts: 22 Member | 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 | | | | Joined: Jun 2006 Posts: 2,921 Moderator-Samsung | Moderator-Samsung Joined: Jun 2006 Posts: 2,921 | 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. | | | Forums84 Topics93,522 Posts635,351 Members49,569 | Most Online5,661 May 23rd, 2018 | |
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