Nowadays, we have got many complaints from our customers about empty calls. They have different models cisco routers in their networks. They make VoIP on it. Our voip supplier use the cisco bts in their backbone. When I checked the cisco router call history; I'm seeing some strange calls. YOu can see it in below;
1AFE : 1939 83989910ms.1906 +160 +5670 pid:1 Answer 5199362832664
dur 00:00:05 tx:276/44160 rx:0/0 7F (interworking (127))
IP 184.108.40.206:36952 SRTP: off rtt:0ms pl:0/0ms lost:0/0/0 delay:65/65/65ms g711ulaw
media inactive detected:n media contrl rcvd:n/a timestamp:n/a
1AFE : 1940 83990020ms.1907 +40 +5660 pid:2000 Originate 2747#5214423420860
dur 00:00:05 tx:0/0 rx:276/44160 7F (interworking (127))
Telephony 0/0:15 (1940) [0/0.2] tx:2720/2720/0ms g711ulaw noise:-84dBm acom:14dBm
1B4A : 16388276hs.1958 +-1 +1951 pid:1 Answer 5199362832664
dur 00:00:00 tx:0/0 rx:0/0 1 (unassigned number (1))
IP 220.127.116.11:36952 rtt:0ms pl:0/0ms lost:0/0/0 delay:0/0/0ms g729r8
Does anybody has any comment about my problem?
Thanks in advance...