How does Softphone differ from Gateway?
Can I receive regular mobile calls simultaneously?
How to enable call recording?
Can I temporarily disable incoming calls?
/softphone
section of the @siptg_bot bot, open the SIP account and click “Disable”.How to assign a SIP account to another person?
Can I have two or more active SIP accounts on one Telegram?
Do I need to manually specify the SIP port (e.g., :5062)?
sip.example.com:5062
). For the standard 5060, it’s not necessary to specify.Not receiving incoming calls
/softphone
section of the @siptg_bot.Incoming and Callback calls are received but are dropped before or immediately after answering
486 User declined the call
.Outgoing call does not go through (Callback mode)
No sound or we can't be heard (one-way audio)
/softphone
→ Configure SIP Account → Audio Codecs section, set a short list, for example: opus,alaw,mulaw
.
If necessary, specify a specific audio codec (for example, only alaw
or mulaw
).
The call is dropped after 2 minutes
Strong delay when talking
/softphone
→ Configure SIP Account → Worker select another server that is closer in geographical location.Call is dropped after a few seconds after answering / No sound after answering the call
/softphone
→ Configure SIP Account → Audio Codecs section, set a short list, for example: opus,alaw,mulaw
.
If necessary, specify a specific audio codec (for example, only alaw
or mulaw
).
Error 'No lines for call' or 'No lines available for call'
=
in the SIP account settings./softphone
command in the @siptg_bot bot.Error 'Amount of fail calls is exceeded' or 'SIP account has disallowed settings'
/softphone
section of the bot./subscriptions
section.Error '503 Account is not running' / The account is labeled ⚠️ in the settings
/softphone
section, the account is marked with the ⚠️ icon, and in the settings, the Domain / Proxy / Template fields have such an icon./softphone
section of the bot.Error 'Invalid parameters (params)' when enabling an account
Error 'Time out (timeout)' when enabling an account
sngrep
or tcpdump
utilities.https://files.sip.tg/fw.txt
.Automatic call recording doesn't work
In SIP account settings I only have 2 buttons: Switch off and Delete
SIP errors: 403, 404, 408, 503, 603...
Other rare problems and recommendations
503 Too Many Requests
or 408 Timeout of waiting RPC result
errors. The solution is to reduce the speed of dialing.inband
to RFC2833
or INFO
).