Clients A and B are in Windows Sandboxes behind a router in a local network.
Client A:
Connection-specific DNS Suffix . : mshome.net
Link-local IPv6 Address . . . . . : fe80::db7a:bb9e:748a:f5a9%205
IPv4 Address. . . . . . . . . . . : 172.28.33.149
Subnet Mask . . . . . . . . . . . : 255.255.240.0
Default Gateway . . . . . . . . . : 172.28.32.1
Client B:
Connection-specific DNS Suffix . : mshome.net
Link-local IPv6 Address . . . . . : fe80::d607:36fe:46b0:b7dc%205
IPv4 Address. . . . . . . . . . . : 172.24.106.63
Subnet Mask . . . . . . . . . . . : 255.255.240.0
Default Gateway . . . . . . . . . : 172.24.96.1
Successful call from B to A with ZoiPer clients.
RTP packets are sent and received to/from external IP address 91.122.37.167:
[1;30m > [0m0x6522f2673000 -- Strict RTP switching to RTP target address 91.122.37.167:52383 as source
Got RTP packet from 91.122.37.167:52383 (type 95, seq 008740, ts 895224402, len 000001)
Got RTP packet from 91.122.37.167:60189 (type 00, seq 032833, ts 3957249389, len 000160)
Sent RTP P2P packet to 91.122.37.167:52383 (type 00, len 000160)
Got RTP packet from 91.122.37.167:60189 (type 00, seq 032834, ts 3957249549, len 000160)
Sent RTP P2P packet to 91.122.37.167:52383 (type 00, len 000160)
Failed call from B to A with PortSip clients.
A call from A to B with PortSip clients without sound.
RTP packets are sent to the local IP address 172.24.106.63:
[1;30m > [0m0x6522f26b3b00 -- Strict RTP qualifying stream type: audio
[1;30m > [0m0x6522f26b3b00 -- Strict RTP switching source address to 91.122.37.167:60244
Got RTP packet from 91.122.37.167:60244 (type 00, seq 018148, ts 2378262086, len 000160)
Sent RTP P2P packet to 172.24.106.63:20400 (type 00, len 000160)
Got RTP packet from 91.122.37.167:60244 (type 00, seq 018149, ts 2378262246, len 000160)
Sent RTP P2P packet to 172.24.106.63:20400 (type 00, len 000160)
Got RTP packet from 91.122.37.167:60244 (type 00, seq 018150, ts 2378262406, len 000160)
Sent RTP P2P packet to 172.24.106.63:20400 (type 00, len 000160)
Got RTP packet from 91.122.37.167:60244 (type 00, seq 018151, ts 2378262566, len 000160)
Sent RTP P2P packet to 172.24.106.63:20400 (type 00, len 000160)
