Extensions steadily become unreachable after PBX runs for a few days

david55 · January 26, 2022, 7:58pm

Whilst the following is for the deprecated driver, because the description is more complete, the current, chan_pjsip, driver has a similar option:

github.com

asterisk/asterisk/blob/master/configs/samples/sip.conf.sample#L293

      
        
            ;cos_text=3                     ; Sets 802.1p priority for RTP text packets.
            
            
;maxexpiry=3600                 ; Maximum allowed time of incoming registrations (seconds)
            ;minexpiry=60                   ; Minimum length of registrations (default 60)
            ;defaultexpiry=120              ; Default length of incoming/outgoing registration
            ;submaxexpiry=3600              ; Maximum allowed time of incoming subscriptions (seconds), default: maxexpiry
            ;subminexpiry=60                ; Minimum length of subscriptions, default: minexpiry
            ;mwiexpiry=3600                 ; Expiry time for outgoing MWI subscriptions
            ;maxforwards=70			; Setting for the SIP Max-Forwards: header (loop prevention)
            				; Default value is 70
            ;qualifyfreq=60                 ; Qualification: How often to check for the host to be up in seconds
            				; and reported in milliseconds with sip show settings.
                                            ; Set to low value if you use low timeout for NAT of UDP sessions
            				; Default: 60
            ;qualifygap=100			; Number of milliseconds between each group of peers being qualified
            				; Default: 100
            ;qualifypeers=1			; Number of peers in a group to be qualified at the same time
            				; Default: 1
            ;keepalive=60                   ; Interval at which keepalive packets should be sent to a peer
            				; Valid options are yes (60 seconds), no, or the number of seconds.
                                            ; Default: 0