Thanks for supporting Grandstream Moderated Forum
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Grandstream
Thanks to everyone for the effort that will be useful to integrate TB and GS products.
Just a note on your low response time for questions like this
http://www.trixbox.org/modules/newbb/viewtopic.php?topic_id=6531&...
I really appreciate a solution for this because everything else is fine and I'm very satisfied.
Hi Grandsteam
I have a Grandsteam BT-100 IP Phone behind the NAT that IP Phone register to the real IP Trixbox 2.0 rc1 free pbx .
The freepbx's extention configuration is nat = yes and qualify = yes that result is unrechable that phone can call out but call in .
I try qualify = 50 result is lagged (64ms) that phone can call out but can't call in yet.
Would you help me to sovle this problem? Thanks,
Best Regards,
David Sun
i recently bought two (2) HT-503 adaptors. my problem is - which country should i select to set the FXS/FXO port to 900-ohms? not just only 900-ohms but i'm asking for a country <-> impedance lookup table.
i asked Grandstream Tech Support for the settings but they advised me to search the Call Progress Tone database! my goodness .... i sent 2 more follow-up emails to no avail.
if anyone in this forum who knows this information, please help me because the echo problem is very serious.
Does the HT503 support PSTN call waiting (and call waiting ID) on an active PSTN call?
That is, when the FXS (or VoIP port) is ALREADY on a PSTN call, and the FXO line is subscribed to call waiting (with ID) from telco, you hear the beep. Can the FXS port (or VoIP side) hook-flash the FXO line to answer the waiting call? (Can it also receive the PSTN call waiting ID?)
I have similar product which can't accomplish the above. If the 503 can, consider it purchased.
*PS, this is not the same as call waiting on the FXS port (on a VoIP call), with the FXO line idle.
Thanks.

Member Since:
2006-11-07