[Asterisk-Users] Re: RTP Read error: Resource temporarily unavailable (DTMF Issues)

[Stephen R. Besch]

Thomas Gallaway wrote:
> Hi
> 
> I am working on this since a while now and seem to be stuck. Here is my 
> issue:
> 
> I have a bunch of Budge Tone 101's. Asterisk is set up. 4 Incoming PSTN 
> lines.
> It all works fine just the DTMF is not working. I am not beind a NAT so 
> the phones
> can talk directly to the asterisk server.
> 
> When I want to check voicemail for example the voicemail box is 113 and 
> password is 1111:
>    -- Playing 'vm-password' (language 'en')
> Mar 16 10:24:16 WARNING[770065]: rtp.c:375 ast_rtp_read: RTP Read error: 
> Resource temporarily unavailable
> Mar 16 10:24:16 WARNING[770065]: rtp.c:375 ast_rtp_read: RTP Read error: 
> Resource temporarily unavailable
> Mar 16 10:24:17 WARNING[770065]: rtp.c:375 ast_rtp_read: RTP Read error: 
> Resource temporarily unavailable
> Mar 16 10:24:18 WARNING[770065]: rtp.c:375 ast_rtp_read: RTP Read error: 
> Resource temporarily unavailable
>    -- Incorrect password '11111' for user '1113' (context = <any>)
>    -- Playing 'vm-incorrect' (language 'en')
> ------------------------------------------------------------
>    -- Playing 'vm-password' (language 'en')
> Mar 16 10:20:42 WARNING[753681]: rtp.c:375 ast_rtp_read: RTP Read error: 
> Resource temporarily unavailable
> Mar 16 10:20:43 WARNING[753681]: rtp.c:375 ast_rtp_read: RTP Read error: 
> Resource temporarily unavailable
> Mar 16 10:20:44 WARNING[753681]: rtp.c:375 ast_rtp_read: RTP Read error: 
> Resource temporarily unavailable
>    -- Incorrect password '111111' for user '1133' (context = <any>)
>    -- Playing 'vm-incorrect' (language 'en')
> --------------------------------------------------------------
>    -- Playing 'vm-login' (language 'en')
> Mar 16 10:32:00 WARNING[786449]: rtp.c:375 ast_rtp_read: RTP Read error: 
> Resource temporarily unavailable
> Mar 16 10:32:00 WARNING[786449]: rtp.c:375 ast_rtp_read: RTP Read error: 
> Resource temporarily unavailable
> Mar 16 10:32:00 WARNING[786449]: rtp.c:375 ast_rtp_read: RTP Read error: 
> Resource temporarily unavailable
>    -- Playing 'vm-password' (language 'en')
> Mar 16 10:32:04 WARNING[786449]: rtp.c:375 ast_rtp_read: RTP Read error: 
> Resource temporarily unavailable
>    -- Incorrect password '1111' for user '1133' (context = <any>)
>    -- Playing 'vm-incorrect' (language 'en')
> ----------------------------------------------------------------
> 
> and so on. Maybe 1 out of 20 tries I can get the password right. The 
> same happens with Meetme.
> If I tell meetme to use a PIN it wont detect it right.
> 
> My sip.conf looks like this for one phone:
> [113]
> username=113
> type=friend
> host=dynamic
> disallow=all
> allow=alaw
> allow=ulaw
> context=intern
> secret=
> mailbox=113
> dtmfmode=rfc2833
> nat=0
> 
> My budgetone is set to send DTMF via via RTP (RFC2833) with a payload 
> type of 101. (tried 100 and 102)
> The first 2 codecs are set to PCMU and PCMA (tried to switch those 
> arround too).
> 
> Any help very appreciated!
> 
> Thanks,
>             Thomas
If I recall correctly, this issue has come up many times in this list. 
Try not using rfc2833. Use INFO or INBAND.

Stephen R. Besch