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-rw-r--r--configs/sip.conf.sample14
1 files changed, 8 insertions, 6 deletions
diff --git a/configs/sip.conf.sample b/configs/sip.conf.sample
index 10d401883..9a420f768 100644
--- a/configs/sip.conf.sample
+++ b/configs/sip.conf.sample
@@ -119,12 +119,14 @@ srvlookup=yes ; Enable DNS SRV lookups on outbound calls
; use 'never' to never use in-band signalling, even in cases
; where some buggy devices might not render it
; Valid values: yes, no, never Default: never
-;prematuremedia=no ; Some ISDN links send empty media frames before
- ; the call is in ringing or progress state. The SIP
- ; channel will then send 183 indicating early media
- ; which will be empty - thus users get no ring signal.
- ; Setting this to "no" will stop any media before we have
- ; call progress. Default is "yes".
+;prematuremedia=no ; Some ISDN links send empty media frames before
+ ; the call is in ringing or progress state. The SIP
+ ; channel will then send 183 indicating early media
+ ; which will be empty - thus users get no ring signal.
+ ; Setting this to "yes" will stop any media before we have
+ ; call progress (meaning the SIP channel will not send 183 Session
+ ; Progress for early media). Default is "no". Also make sure that
+ ; the SIP peer is configured with progressinband=never.
;useragent=Asterisk PBX ; Allows you to change the user agent string
;promiscredir = no ; If yes, allows 302 or REDIR to non-local SIP address
; Note that promiscredir when redirects are made to the