my error .. the cards are X100P which is why I wrote FXO. The Grandstream phones are on a LAN, the * server connects to the phonelines via the X100P cards. When I call from the Grandstream phones onto the PSTN there is a VERY big amount of echo, ie. I can hear myself in the earpiece.
cheers Dave ----- Original Message ----- From: "WipeOut ." <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, August 05, 2003 8:50 AM Subject: Re: [Asterisk-Users] SIP + Grandstream 100 + TDM100P = lots of local echo, & questions about call transfers > > hi .. > > > > I have an asterisk system with three TDM100P (single port FXO) cards > > and 10 Grandstream 100 phones connected to it .. > > The TDMx00P cards are FXS cards.. :) > > > > > 1st question: > > when i phone out > > or receive a call from one of the SIP phones onto the PSTN, there is > > a LOT of local echo in the handset .. the PSTN end of the call does not > > here this echo, but it's VERY annoying on the SIP end of things .. > > the echo seems to be about 0.3 seconds delayed to the speech .. > > there is no echo on incoming voice, just an echo of my own voice > > as I speak. > > What are you using to connect to the PSTN?? X100P, T100P, E100P, I4L, Chan_Capi.... > > > > > 2nd question: > > using a grandstream phone & asterisk, if I hear another phone ringing, > > how can answer it from the phone infront of me? eg. if extension 6003 > > is ringing, and i have phone number 6004, how can I answer it ? > > You need to setup call groups, search through the archives cos I rememeber a thread on this a short while ago.. > > > > > 3rd question: > > can someone give me some "starter hints" to configure call parking ? > > I haven't managed to find a direct way to transfer a call from phone > > to phone except using blind transfer and I want the person initiating > > the transfer to speak to the receiving person before actually passing > > the call. > > As far as I know there is no facility to do a consultative transfer on the GS phones.. Only a blind transfer.. Maybe it will come later.. > > > > > can anybody help please ? > > > > cheers > > Dave A Caruana > > > > > > > > _______________________________________________ > > Asterisk-Users mailing list > > [EMAIL PROTECTED] > > http://lists.digium.com/mailman/listinfo/asterisk-users > > -- > ______________________________________________ > http://www.linuxmail.org/ > Now with e-mail forwarding for only US$5.95/yr > > Powered by Outblaze > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users