[asterisk-users] Asterisk 1.8.15.0, Requested transfer capability: 0x00 - SPEECH

[motty.cruz]

Hello, 
I'm having issues connecting throu PRI with the following error "Requested
transfer capability: 0x00 - SPEECH"

Below are the logs: 



== Using SIP RTP CoS mark 5
    -- Executing [97052660 at voipphones:1] Set("SIP/4856-00000003",
"CALLERID(num)=xxxxxxxxx") in new stack
    -- Executing [97052660 at voipphones:2] Dial("SIP/4856-00000003",
"dahdi/g1/97052660") in new stack
    -- Requested transfer capability: 0x00 - SPEECH
    -- Called dahdi/g1/97052660
    -- Span 1: Channel 0/1 got hangup, cause 27
    -- DAHDI/i1/97052660-4 is circuit-busy
    -- Hungup 'DAHDI/i1/97052660-4'
  == Everyone is busy/congested at this time (1:0/1/0)
    -- Auto fallthrough, channel 'SIP/4856-00000003' status is 'CONGESTION'

/etc/asterisk
Chan_dahdi.conf

[trunkgroups]
[channels]
; PRI to Telco
callerid=asreceived
context=fromtelco
switchtype=national
signalling=pri_cpe
group=1
channel => 1-23

; pri to PBX
context=frompbx
switchtype=national
signalling=pri_net
group=2
channel => 25-47

In /etc/dahdi
Modules

Wct4xxp

/etc/dahdi
System.conf

# PRI to Telco
span=1,1,0,esf,b8zs
bchan=1-23
dchan=24

# PRI to PBX
span=2,0,0,esf,b8zs
bchan=25-47
dchan=48


Any suggestoins are welcome! 
Thanks in advance!