search for: gsmfr

Hello, are the gsm codecs in Cisco as53xx or 36xx (gsm, gsmfr) copatible with Asterisk's gsm codec? Thanks in advance, Thomas

I have a Cisco 2600 which understands the "gsmfr" codec, which appears to be what Asterisk calls "gsm" -- at least it ends up using it. I also have a PSTN gateway which is speaking ulaw. When the 2600 calls through Asterisk to the PSTN, it negotiates the g711ulaw codec, but when the PSTN calls through Asterisk to the 2600, it see...

Hello, I'm trying to receive faxes with asterisk. My configuration is like this: PSTN fax -> ISDN -> Cisco router with VoIP module -> Asterisk When I try to send a fax from PSTN fax I got the standard fax signal, Asterisk starts rxfax application and then call ends and there is no tif anywhere. On the fax display there is still one message: Calling... Part of my extensions.conf:

...password ! clock timezone GMT 0 ip subnet-zero no ip routing ! ! ! ip audit notify log ip audit po max-events 100 ! ! ! ! ! voice rtp send-recv ! voice service voip sip ! voice class codec 1 codec preference 1 g711ulaw codec preference 2 g711alaw codec preference 3 gsmefr codec preference 4 gsmfr ! ! ! ! ! ! ! no voice hpi capture buffer no voice hpi capture destination ! ! mta receive maximum-recipients 0 ! ! ! ! interface Ethernet0/0 ip address xxx.xxx.xxx.yyy 255.255.255.0 no ip route-cache no ip mroute-cache full-duplex no cdp enable ! interface Ethernet0/1 no ip address no ip ro...

...nable password asterisk26 ! username asterisk no aaa new-model ip subnet-zero no ip domain lookup ! ! no ftp-server write-enable ! voice call send-alert voice rtp send-recv ! voice service voip sip ! voice class codec 1 codec preference 1 g711alaw codec preference 2 g711ulaw codec preference 3 gsmfr ! ! ! ! ! ! ! ! ! ! ! ! interface FastEthernet0/0 ip address 192.168.0.206 255.255.255.0 speed 100 full-duplex ! interface FastEthernet0/1 no ip address shutdown duplex auto speed auto ! ip classless no ip http server ! ! ! ! control-plane ! ! voice-port 2/0 input gain 5 echo-cancel covera...

...ssword-encryption ! hostname 192.168.65.200 ! logging queue-limit 100 enable secret enable password ! ip subnet-zero ! ! no ip domain lookup ! isdn switch-type primary-net5 ! ! voice call carrier capacity active ! voice service pots ! voice service voip ! voice class codec 10 codec preference 1 gsmfr codec preference 2 g711alaw ! ! ! ! ! ! ! no voice hpi capture buffer no voice hpi capture destination ! ! mta receive maximum-recipients 0 ! ! controller T1 1/0 shutdown framing esf linecode b8zs ! ! ! interface FastEthernet0/0 ip address 192.168.65.200 255.255.255.0 duplex auto speed auto...

Hi, I have a serious problem to configure Cisco AS5XXX and Asterisk , I trying to use asterisk for PSTN(A)----> Cisco AS5xxx ----> ASterisk---->PSTN(B) (No Nat, no Firewall) I hear (on the PSTN(A)) clearly what the other person is saying, but the other person (on the PSTN(B) side) hears nothing from PSTN(A). I use tcpdump for debug de rtp trafic, and ouput contains