Here are the debug messages for two calls.
Internal call with no audio (111 phoning 114)
Got RTP packet from Local_net_public_ip:10022 (type 08, seq 000000, ts 2261103561, len 000160)
Sent RTP packet to Local_net_public_ip:10172 (type 08, seq 001457, ts 2261103560, len 000160)
Got RTP packet from Local_net_public_ip:10022 (type 08, seq 000001, ts 2261103721, len 000160)
Sent RTP packet to Local_net_public_ip:10172 (type 08, seq 001458, ts 2261103720, len 000160)
Got RTP packet from Local_net_public_ip:10022 (type 08, seq 000002, ts 2261103881, len 000160)
Sent RTP packet to Local_net_public_ip:10172 (type 08, seq 001459, ts 2261103880, len 000160)
Got RTP packet from Local_net_public_ip:10022 (type 08, seq 000003, ts 2261106121, len 000160)
Sent RTP packet to Local_net_public_ip:10172 (type 08, seq 001460, ts 2261106120, len 000160)
Got RTP packet from Local_net_public_ip:10022 (type 08, seq 000004, ts 2261106281, len 000160)
Sent RTP packet to Local_net_public_ip:10172 (type 08, seq 001461, ts 2261106280, len 000160)
Got RTP packet from Local_net_public_ip:10022 (type 08, seq 000005, ts 2261106441, len 000160)
Sent RTP packet to Local_net_public_ip:10172 (type 08, seq 001462, ts 2261106440, len 000160)
Got RTP packet from Local_net_public_ip:10172 (type 08, seq 000000, ts 2622573185, len 000160)
Sent RTP packet to Local_net_public_ip:10022 (type 08, seq 016688, ts 2622573184, len 000160)
Got RTP packet from Local_net_public_ip:10172 (type 08, seq 000001, ts 2622573345, len 000160)
Sent RTP packet to Local_net_public_ip:10022 (type 08, seq 016689, ts 2622573344, len 000160)
Got RTP packet from Local_net_public_ip:10172 (type 08, seq 000002, ts 2622573505, len 000160)
Sent RTP packet to Local_net_public_ip:10022 (type 08, seq 016690, ts 2622573504, len 000160)
Got RTP packet from Local_net_public_ip:10172 (type 08, seq 000003, ts 2622573665, len 000160)
Sent RTP packet to Local_net_public_ip:10022 (type 08, seq 016691, ts 2622573664, len 000160)
Incoming call with audio
Got RTP packet from Local_net_public_ip:10176 (type 08, seq 000000, ts 1804219260, len 000160)
Sent RTP P2P packet to 41.193.38.17:53502 (type 08, len 000160)
Got RTP packet from Local_net_public_ip:10176 (type 08, seq 000001, ts 1804219420, len 000160)
Sent RTP P2P packet to 41.193.38.17:53502 (type 08, len 000160)
Got RTP packet from Local_net_public_ip:10176 (type 08, seq 000002, ts 1804221580, len 000160)
Sent RTP P2P packet to 41.193.38.17:53502 (type 08, len 000160)
Got RTP packet from Local_net_public_ip:10176 (type 08, seq 000003, ts 1804221740, len 000160)
Sent RTP P2P packet to 41.193.38.17:53502 (type 08, len 000160)
Got RTP packet from Local_net_public_ip:10176 (type 08, seq 000004, ts 1804221900, len 000160)
Sent RTP P2P packet to 41.193.38.17:53502 (type 08, len 000160)
Got RTP packet from Local_net_public_ip:10176 (type 08, seq 000005, ts 1804222060, len 000160)
Sent RTP P2P packet to 41.193.38.17:53502 (type 08, len 000160)
Got RTP packet from Local_net_public_ip:10176 (type 08, seq 000006, ts 1804222220, len 000160)
Sent RTP P2P packet to 41.193.38.17:53502 (type 08, len 000160)
Got RTP packet from Local_net_public_ip:10176 (type 08, seq 000007, ts 1804222380, len 000160)
Sent RTP P2P packet to 41.193.38.17:53502 (type 08, len 000160)
Got RTP packet from 41.193.38.17:53502 (type 08, seq 053074, ts 1252963048, len 000160)
Sent RTP P2P packet to Local_net_public_ip:10176 (type 08, len 000160)