search for: echo_can_mark

...it. The Asterisk sip extension hears them selves echoing. The remote party does not notice any difference. I have tried all the following. #define CONFIG_ZAPTEL_MMX <tried this defined and undefined> Then tried each of the following types of echo cancellations. #define ECHO_CAN_MARK #define ECHO_CAN_MARK2 with and without #define AGGRESSIVE_SUPPRESSOR #define ECHO_CAN_MARK3 I am completely at a loss on how to get rid of this echo problem. The system is completely useless for incoming calls, as it currently stands. Is there a Digium card that handles echo better?...

...2.13 Zaptel 1.2.11 Line 1 - Analog Line 2 - Analog with ADSL It's installed with two analog lines one of them have a ADSL splitter. The location are Spain, i load the tdm driver with opermode SPAIN, i read that this will set the correct impedance for the line. I compile first time zaptel with ECHO_CAN_MARK, but also i probe MARK2, MARK3, KB1 and ECHO_CAN_MG2, with no result for the Line that have the ADSL. The aggresive make good with the adsl line, but get really extrange sounds across the conversation. I don't know the milliwat test line here on spain to setup the gains correctly (If any b...