FreePBX. - Asterisk Sip Settings. . .
General SIP Settings
. , Settings → Asterisk Sip Settings. , :

- Allow Anonymous inbound SIP Calls - Yes, IP Asterisk , IP from pstn. , Yes SIP URI. , ;
- External Address - IP . , Detect Network Settings IP ;
- Local Networks - , SIP . : IP /. , 192.168.1.0/255.255.255.0. Add Local Network;
- RTP Settings
- RTP Ranges - UDP RTP . , . , 4 ;
- RTP Checksums - UDP, RTP ();
- Strict RTP - RTP , RTP ;
- Codecs - . SDP ;
- STUN Servers - IP STUN . , STUN NAT SIP ;
Chan SIP Settings
chan_sip.

- NAT Settings
- NAT - NAT (Network Address Translation) Asterisk.
- yes - NAT;
- no - RFC3581. , RFC , , , Via SIP ;
- never - NAT RFC3581;
- route - , rport SIP ( RFC3581 );
- IP Configuration - IP. IP , DDNS (Dynamic DNS);
- Audio Codecs
- Non-Standard g726 - ( Sipura Grandstream) G726 6, 24, 32, 40 /. , Yes;
- T38 Pass-Through - Asterisk T38;
- No - ;
- Yes - T38 FEC (Forward Error Correction), , , 400 T38;
- Yes with FEC - T38 FEC;
- Yes with Redundancy - T38 FEC;
- Yes with no error correction - T38 ;
- Video Codecs
- Video Support - Enabled, .;
- TLS/SSL/SRTP Settings
- Enable TLS - TLS;
- Certificate Manager - TLS. Certificate Manager;
- SSL Method - SSL ( TLS). sslv2;
- Don't Verify Server - ( TLS).;
- MEDIA & RTP Settings
- Reinvite Behavior - , RTP , NAT ( RTP IP );
- RTP Timeout - , () RTP/RTCP . , hold .;
- RTP Hold Timeout - , ( ) ;
- RTP Keep Alive - Keep Alive ( ) NAT ( );
- Notification & MWI
- MWI Polling Freq - , MWI ( , Message Waiting Indication) ;
- Notify Ringing - , , (INUSE) SIP 180 RINGING. BLF ;
- Notify Hold - INUSE, ( ONHOLD).;
- Registration Settings
- Registration Timeout - . , 20 . , 20 , ;
- Registration Attempts - , . 0, . , 0 Asterisk , ;
- Registration Minimum Expiry - , ;
- Registration Maximum Expiry - , ( );
- Registration Default Expiry - ;
- Jitter Buffer Settings
- Enable Jitter Buffer - SIP ;
- Advanced General Settings
- Default Context - , . FreePBX from-sip-external. , , ;
- Bind Address - IP , Asterisk , , Bind Port. 0.0.0.0, Asterisk , . . , chan_sip IPv6 UDP.
[::]
, Asterisk IPv4 IPv6 . , PJSip, IPv6 :) - Bind Port - UDP ( TCP, Enable TCP) , Asterisk chan_SIP. , 5060 (5160);
- TLS Bind Address - TCP Asterisk TLS () .
[::]
, IPv4 IPv6 ; - TLS Bind Port - TCP TLS SIP ;
- Allow SIP Guests - Yes, Asterisk SIP from-sip-exernal ( , ). No ;
- Enable SRV Lookup - Asterisk. , SRV ;
- Enable TCP - TCP;
- Call Events - AMI (Asterisk Manager Interface). , AMI, SIP UA (user agent). . ;
- Other SIP Settings - SIP , ( );
FreePBX, 5060 ( 1 SIP ). , 5160);
: PJSip IPv6;