IP Office Fax Support with Cisco SPA-112

[esoderholm]

In Reference to:thread940-1734958

Has anyone been able to configure the Cisco ATA (SPA-112) to work with IPO and a fax machine?

We got it running handling normal audio calls, but so far we haven't managed to send fax through it .
Any configuration tips would be most welcome!

BR
Emil

E Soderholm,

Aut inveniam viam aut faciam.

 

[amriddle01]

The fax needs to be adjusted to a baud rate of 9600(as low as possible). SIP is not designed as a zero delay audio connection which is what fax's and modems need, so it's always best effort only. If your fax can't be adjusted you will struggle to say the least

 

[Okkie26]

I have.


Did you enable T38 on the Cisco and IP Office?

 

[esoderholm]

Did some digging in the SPA and found a flora of Fax settings. Set reinvite and used t38, works inbound but somehow outbound only works with #99 as a prefix. Anyone know where to set this permanently?

E Soderholm,

Aut inveniam viam aut faciam.