Source note · FreeSWITCH

Asterisk deprecated its chan_sip driver in Asterisk 17 and removed it in Asterisk 21; PJSIP (res_pjsip/chan_pjsip) is the standard SIP driver.

Checked 2026-09-24

chan_sip has been officially removed in Asterisk 21
Vendor
Sangoma
Product
Asterisk
Subsystem
sip-channel-driver
Deployment
on-premises, cloud
Region
not restricted
Release range
Asterisk 21 and later
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). FreeSWITCH: source note freeswitch-pbx-asterisk-chan-sip-removed. WarmTransfer. https://warmtransfer.net/knowledge/claims/freeswitch-pbx-asterisk-chan-sip-removed

BibTeX

@misc{warmtransfer-claim-freeswitch-pbx-asterisk-chan-sip-removed,
  title  = {FreeSWITCH: source note freeswitch-pbx-asterisk-chan-sip-removed},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/freeswitch-pbx-asterisk-chan-sip-removed},
  note   = {Source note freeswitch-pbx-asterisk-chan-sip-removed, checked 2026-09-24}
}

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