Busy Inbound Call

I updated the external router public address and performed the SIP Settings > NAT Settings >External Address (Detect Network Settings). The new IP address is now in the External Address, however, I now have odd behaviors with the system.

Issue:

  1. New Inbound calls are busy when calling to the FreePBX server
  2. I can make calls leaving the FreePBX server with Zulu from a computer off the network
  3. If I make a change to the FreePBX server and Apply settings, CALLS WORK
  4. After 5 minutes, calls stop working again

Tried:
I have tried to disable the firewall, same issue occurs
I have tried to allow Anonymous Inbound SIP Calls, same issue occurs
I check and applied updates, same issue occurs

LOGS

94854 [2023-01-07 15:44:31] ERROR[59447] config_options.c: Unable to load config file ‘acl.conf’
94855 [2023-01-07 15:44:31] WARNING[59447] named_acl.c: Could not reload ACL config
94856 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘manager’ (Asterisk Manager Interface)
94857 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘plc’ (PLC)
94858 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘udptl’ (UDPTL)
94859 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_pjproject.so’ (PJPROJECT Log and Utility Support)
94860 [2023-01-07 15:44:31] ERROR[59447] res_sorcery_config.c: Unable to load config file ‘pjproject.conf’
94861 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_pjsip.so’ (Basic SIP resource)
94862 [2023-01-07 15:44:31] ERROR[7344] res_pjsip_config_wizard.c: Unable to load config file ‘pjsip_wizard.conf’
94863 [2023-01-07 15:44:31] ERROR[7344] res_pjsip_config_wizard.c: Unable to load config file ‘pjsip_wizard.conf’
94864 [2023-01-07 15:44:31] NOTICE[7344] res_pjsip/config_transport.c: Transport ‘0.0.0.0-udp’ is not fully reloadable, not reloading: protocol, bind, TLS (everything but certificate and private key if filename is unchanged), TCP, ToS, or CoS options.
94865 [2023-01-07 15:44:31] NOTICE[7344] res_pjsip/config_transport.c: Transport ‘0.0.0.0-ws’ is not fully reloadable, not reloading: protocol, bind, TLS (everything but certificate and private key if filename is unchanged), TCP, ToS, or CoS options.
94866 [2023-01-07 15:44:31] NOTICE[7344] res_pjsip/config_transport.c: Transport ‘0.0.0.0-wss’ is not fully reloadable, not reloading: protocol, bind, TLS (everything but certificate and private key if filename is unchanged), TCP, ToS, or CoS options.
94867 [2023-01-07 15:44:31] ERROR[7344] res_pjsip_config_wizard.c: Unable to load config file ‘pjsip_wizard.conf’
94868 [2023-01-07 15:44:31] ERROR[7344] res_pjsip_config_wizard.c: Unable to load config file ‘pjsip_wizard.conf’
94869 [2023-01-07 15:44:31] NOTICE[7344] sorcery.c: Type ‘system’ is not reloadable, maintaining previous values
94870 [2023-01-07 15:44:31] ERROR[7344] res_pjsip_config_wizard.c: Unable to load config file ‘pjsip_wizard.conf’
94871 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_pjsip_authenticator_digest.so’ (PJSIP authentication resource)
94872 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_resolver_unbound.so’ (Unbound DNS Resolver Support)
94873 [2023-01-07 15:44:31] ERROR[59447] config_options.c: Unable to load config file ‘resolver_unbound.conf’
94874 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_pjsip_endpoint_identifier_ip.so’ (PJSIP IP endpoint identifier)
94875 [2023-01-07 15:44:31] ERROR[59447] res_pjsip_config_wizard.c: Unable to load config file ‘pjsip_wizard.conf’
94876 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_stir_shaken.so’ (STIR/SHAKEN Module for Asterisk)
94877 [2023-01-07 15:44:31] ERROR[59447] res_sorcery_config.c: Unable to load config file ‘stir_shaken.conf’
94878 [2023-01-07 15:44:31] ERROR[59447] res_sorcery_config.c: Unable to load config file ‘stir_shaken.conf’
94879 [2023-01-07 15:44:31] ERROR[59447] res_sorcery_config.c: Unable to load config file ‘stir_shaken.conf’
94880 [2023-01-07 15:44:31] ERROR[59447] res_sorcery_config.c: Unable to load config file ‘stir_shaken.conf’
94881 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_musiconhold.so’ (Music On Hold Resource)
94882 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_smdi.so’ (Simplified Message Desk Interface (SMDI) Resource)
94883 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_crypto.so’ (Cryptographic Digital Signatures)
94884 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_rtp_asterisk.so’ (Asterisk RTP Stack)
94885 [2023-01-07 15:44:31] VERBOSE[59447] res_rtp_asterisk.c: RTP Allocating from port range 10000 → 20000
94886 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_pjsip_outbound_publish.so’ (PJSIP Outbound Publish Support)
94887 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_pjsip_mwi.so’ (PJSIP MWI resource)
94888 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_pjsip_publish_asterisk.so’ (PJSIP Asterisk Event PUBLISH Support)
94889 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘chan_iax2.so’ (Inter Asterisk eXchange (Ver 2))
94890 [2023-01-07 15:44:31] WARNING[59447] iax2/firmware.c: Error opening firmware directory ‘/var/lib/asterisk/firmware/iax’: No such file or directory
94891 [2023-01-07 15:44:31] NOTICE[59447] iax2/provision.c: No IAX provisioning configuration found, IAX provisioning disabled.
94892 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘chan_sip.so’ (Session Initiation Protocol (SIP))
94893 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘chan_dahdi.so’ (DAHDI Telephony w/PRI & SS7 & MFC/R2)
94894 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_adsi.so’ (ADSI Resource)
94895 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_fax.so’ (Generic FAX Applications)
94896 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_ari.so’ (Asterisk RESTful Interface)
94897 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_pjsip_notify.so’ (CLI/AMI PJSIP NOTIFY Support)
94898 [2023-01-07 15:44:31] VERBOSE[2669] chan_sip.c: Reloading SIP
94899 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_pjsip_outbound_registration.so’ (PJSIP Outbound Registration Support)
94900 [2023-01-07 15:44:31] ERROR[59447] res_pjsip_config_wizard.c: Unable to load config file ‘pjsip_wizard.conf’
94901 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘app_confbridge.so’ (Conference Bridge Application)
94902 [2023-01-07 15:44:31] NOTICE[59447] confbridge/conf_config_parser.c: Adding default_menu menu to app_confbridge
94903 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘res_parking.so’ (Call Parking Resource)
94904 [2023-01-07 15:44:31] VERBOSE[59447] pbx.c: Remove parkedcalls/71/1, registrar=res_parking/default; con=((nil)); con->root=(nil)
94905 [2023-01-07 15:44:31] VERBOSE[59447] pbx.c: Remove parkedcalls/72/1, registrar=res_parking/default; con=((nil)); con->root=(nil)
94906 [2023-01-07 15:44:31] VERBOSE[59447] pbx.c: Remove parkedcalls/73/1, registrar=res_parking/default; con=((nil)); con->root=(nil)
94907 [2023-01-07 15:44:31] VERBOSE[59447] pbx.c: Remove parkedcalls/74/1, registrar=res_parking/default; con=((nil)); con->root=(nil)
94908 [2023-01-07 15:44:31] VERBOSE[59447] pbx.c: Remove parkedcalls/75/1, registrar=res_parking/default; con=((nil)); con->root=(nil)
94909 [2023-01-07 15:44:31] VERBOSE[59447] pbx.c: Remove parkedcalls/76/1, registrar=res_parking/default; con=((nil)); con->root=(nil)
94910 [2023-01-07 15:44:31] VERBOSE[59447] pbx.c: Remove parkedcalls/77/1, registrar=res_parking/default; con=((nil)); con->root=(nil)
94911 [2023-01-07 15:44:31] VERBOSE[2669] netsock2.c: Using SIP TOS bits 96
94912 [2023-01-07 15:44:31] VERBOSE[2669] netsock2.c: Using SIP CoS mark 4
94913 [2023-01-07 15:44:31] VERBOSE[59447] pbx.c: Remove parkedcalls/78/1, registrar=res_parking/default; con=((nil)); con->root=(nil)
94914 [2023-01-07 15:44:31] VERBOSE[59447] pbx.c: Remove parkedcalls/70/1, registrar=res_parking; con=((nil)); con->root=(nil)
94915 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘app_meetme.so’ (MeetMe conference bridge)
94916 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘cdr_manager.so’ (Asterisk Manager Interface CDR Backend)
94917 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘cel_manager.so’ (Asterisk Manager Interface CEL Backend)
94918 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘cel_odbc.so’ (ODBC CEL backend)
94919 [2023-01-07 15:44:31] VERBOSE[2669] tcptls.c: TLS/SSL ECDH initialized (automatic), faster PFS ciphers enabled
94920 [2023-01-07 15:44:31] VERBOSE[2669] tcptls.c: TLS/SSL certificate ok
94921 [2023-01-07 15:44:31] VERBOSE[59447] cel_odbc.c: Found CEL table cel@asteriskcdrdb.
94922 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘app_amd.so’ (Answering Machine Detection Application)
94923 [2023-01-07 15:44:31] VERBOSE[59447] app_amd.c: AMD defaults: initialSilence [2500] greeting [1500] afterGreetingSilence [800] totalAnalysisTime [5000] minimumWordLength [100] betweenWordsSilence [50] maximumNumberOfWords [3] silenceThreshold [256] maximumWordLength [5000]
94924 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘app_playback.so’ (Sound File Playback Application)
94925 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘app_flite.so’ (Flite TTS Interface)
94926 [2023-01-07 15:44:31] WARNING[59447] app_flite.c: Flite: Unable to read config file flite.conf. Using default settings
94927 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘codec_dahdi.so’ (Generic DAHDI Transcoder Codec Translator)
94928 [2023-01-07 15:44:31] VERBOSE[59447] loader.c: Reloading module ‘app_voicemail.so’ (Comedian Mail (Voicemail System))
94929 [2023-01-07 15:44:32] WARNING[59447] app_voicemail.c: maxsilence should be less than minsecs or you may get empty messages
94930 [2023-01-07 15:44:32] VERBOSE[59447] loader.c: Reloading module ‘codec_ast16_g729.so’ (Digium G.729 Annex A Codec (optimized for x86_64)
94931 [2023-01-07 15:44:32] VERBOSE[2669] netsock2.c: Using SIP TOS bits 96
94932 [2023-01-07 15:44:32] VERBOSE[2669] netsock2.c: Using SIP TOS bits 96 in TCLASS field.
94933 [2023-01-07 15:44:32] VERBOSE[2669] netsock2.c: Using SIP CoS mark 4
94934 [2023-01-07 15:44:32] WARNING[2669] chan_sip.c: Section ‘vital-inbound’ lacks type
94935 [2023-01-07 15:44:34] VERBOSE[59447] loader.c: Reloading module ‘app_queue.so’ (True Call Queueing)
94936 [2023-01-07 15:44:34] NOTICE[59447] app_queue.c: queuerules.conf has not changed since it was last loaded. Not taking any action.

Adding some additional logs as I am thinking the WARNING may have something to do with the issue.

=== LOGS ===
75 [2023-01-07 16:19:55] VERBOSE[2559] asterisk.c: Remote UNIX connection
96376 [2023-01-07 16:19:55] VERBOSE[74911] asterisk.c: Remote UNIX connection disconnected
96377 [2023-01-07 16:19:55] VERBOSE[2559] asterisk.c: Remote UNIX connection
96378 [2023-01-07 16:19:55] VERBOSE[74917] asterisk.c: Remote UNIX connection disconnected
96379 [2023-01-07 16:19:55] VERBOSE[2559] asterisk.c: Remote UNIX connection
96380 [2023-01-07 16:19:55] VERBOSE[74919] asterisk.c: Remote UNIX connection disconnected
96381 [2023-01-07 16:19:55] VERBOSE[2559] asterisk.c: Remote UNIX connection
96382 [2023-01-07 16:19:55] VERBOSE[74921] asterisk.c: Remote UNIX connection disconnected
96383 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6000/accountcode does not exist
96384 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6100/accountcode does not exist
96385 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6101/accountcode does not exist
96386 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6103/accountcode does not exist
96387 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6104/accountcode does not exist
96388 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6130/accountcode does not exist
96389 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6151/accountcode does not exist
96390 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6152/accountcode does not exist
96391 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6153/accountcode does not exist
96392 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6154/accountcode does not exist
96393 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6155/accountcode does not exist
96394 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6158/accountcode does not exist
96395 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6200/accountcode does not exist
96396 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6201/accountcode does not exist
96397 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6202/accountcode does not exist
96398 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6203/accountcode does not exist
96399 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6204/accountcode does not exist
96400 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6205/accountcode does not exist
96401 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6206/accountcode does not exist
96402 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6207/accountcode does not exist
96403 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6301/accountcode does not exist
96404 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6302/accountcode does not exist
96405 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6303/accountcode does not exist
96406 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6304/accountcode does not exist
96407 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6305/accountcode does not exist
96408 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6306/accountcode does not exist
96409 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6401/accountcode does not exist
96410 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6402/accountcode does not exist
96411 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6403/accountcode does not exist
96412 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6404/accountcode does not exist
96413 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6405/accountcode does not exist
96414 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6406/accountcode does not exist
96415 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6407/accountcode does not exist
96416 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6408/accountcode does not exist
96417 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6409/accountcode does not exist
96418 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6500/accountcode does not exist
96419 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6501/accountcode does not exist
96420 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6502/accountcode does not exist
96421 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6503/accountcode does not exist
96422 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6504/accountcode does not exist
96423 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6505/accountcode does not exist
96424 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6600/accountcode does not exist
96425 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6700/accountcode does not exist
96426 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6800/accountcode does not exist
96427 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6801/accountcode does not exist
96428 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6802/accountcode does not exist
96429 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6803/accountcode does not exist
96430 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6804/accountcode does not exist
96431 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6805/accountcode does not exist
96432 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6900/accountcode does not exist
96433 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6901/accountcode does not exist
96434 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6904/accountcode does not exist
96435 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6905/accountcode does not exist
96436 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/6906/accountcode does not exist
96437 [2023-01-07 16:19:56] WARNING[74828] db.c: AstDB key /AMPUSER/7000/accountcode does not exist
96438 [2023-01-07 16:19:57] VERBOSE[2559] asterisk.c: Remote UNIX connection
96439 [2023-01-07 16:19:57] VERBOSE[75054] loader.c: Reloading module ‘res_odbc.so’ (ODBC resource)
96440 [2023-01-07 16:19:57] NOTICE[75054] res_odbc.c: Registered ODBC class ‘asteriskcdrdb’ dsn->[MySQL-asteriskcdrdb]
96441 [2023-01-07 16:19:57] VERBOSE[75054] loader.c: Reloading module ‘extconfig’ (Configuration)
96442 [2023-01-07 16:19:57] VERBOSE[75054] loader.c: Reloading module ‘res_config_odbc.so’ (Realtime ODBC configuration)
96443 [2023-01-07 16:19:57] VERBOSE[75054] loader.c: Reloading module ‘cdr’ (CDR Engine)
96444 [2023-01-07 16:19:57] ERROR[75054] config_options.c: Unable to load config file ‘cdr.conf’
96445 [2023-01-07 16:19:57] VERBOSE[75054] loader.c: Reloading module ‘cdr_adaptive_odbc.so’ (Adaptive ODBC CDR backend)

I do not think this is related to the Firewall or Sip Settings. I find that the server loses its ability to receive calls after 5ish minutes. Once I hit submit within SIP Settings (no changes made) and Apply the issue is gone for 5 minutes.

Any assistance troubleshooting this is appreciated.

Thank you

Thank you for the response.
Does FreePBX re-apply the firewall each time “Apply Config” is pressed? I tried to disable the firewall completely, I still get the same behavior.

I find that regardless of any changes made in the console, if I hit “Apply Config” the system will work properly for a few minutes. I do not understand what is happeneing to allow the system to work, then stop after a few minutes.

Thanks

No timeout changes were made to the router, just updating the old IP with the new IP.

Are there any settings I should look for? I agree that there seems to be a timeout somewhere. I find it interesting that if I apply any settings to the PBX, the system works for a short time. Can you suggest any specific logs I should look into?

This is what I see in the Asterisk Log Files “full” log before it stops working:

WARNING[2784] chan_sip.c: Section ‘vital-inbound’ lacks type
[2023-01-07 17:51:00] VERBOSE[18714] loader.c: Reloading module ‘app_queue.so’ (True Call Queueing)
[2023-01-07 17:51:00] NOTICE[18714] app_queue.c: queuerules.conf has not changed since it was last loaded. Not taking any action.
[2023-01-07 17:51:00] VERBOSE[18714] asterisk.c: Remote UNIX connection disconnected
[2023-01-07 17:54:20] NOTICE[7500] res_pjsip_exten_state.c: Endpoint ‘6302’ state subscription failed: Extension ‘992363021’ does not exist in context ‘from-internal’ or has no associated hint

vital-inbound is my inbound trunk, however, I did not make any modifications to that entry.

The ISP requested the office to change their IP addresses. Because of that, I needed to make modifications to the PBX.

I installed a second FreePBX yesterday and configured the trunk with a pjsip connection to the provider. The trunk remained active, I did not receive a busy signal like the original PBX server. That said, I am going to try and reconfigure the orignal server’s trunk lines. The lines are configured as sip, not pjsip.

I believe I have it working now. It seems that the original inbound “chan_sip” trunk was timing out. I configured a new “pjsip” inbound trunk and have been able to successfully test inbound calls.

I will continue testing this morning and close the case this afternoon if all seems to remain working.

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