Grandstream GDS3710 with GXP21XX phones

[danielf]

Hello @antonis77,

Take a look at this thread. I explained how to do that.

PJSIP - Copy SIP Call-Info header on internal call

Hello @kellydk, Assuming that extension 2008 is the GDS3710 and extension 2007 is the GXP2140, add this dialplan to your extensions_custom.conf file. Please delete everything that you have in the from-internal-custom context before applying my dialplan: [from-internal-custom] ;Adding a Call-Info header to the channel when someone press the button on the GDS3710 ;2008 - GDS3710 ;2007 - GXP2140 ;The Call-Info header would be added to the channel only If the GDS3710 will call to extension 2007 e…

Thank you,

Daniel Friedman
Trixton LTD.