##700, *2 etc are sending a DTMF tone

jdhatch

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#1
##700, *2 etc are sending a DTMF tone through to the other party and not signalling Elastix(Asterisk) to park / transfer etc.

Is this caused by a particular setting?

I have tried SNOM and Grandstream phones.

Thanks, Jason
 

fmvillares

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#2
hi there first of all try to read in newbies corner the sticky post of bob fryer...as far as learn how to ask...then look into this in google
asterisk +dtmf u will fnid the answer there...in voip info link
 

jdhatch

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#3
I understand teaching a man to fish rather than giving him a fish. But I can not even tie the hook to the line here.

I take my scolding yesterday as training a Newby.

Before I even asked my question yesterday I googled and read at least 20 pages / treads about DTMF and signaling. Now I am beyond 50 I am sure. I have tried to understand inline vs rfc2833 vs SIP INFO vs auto.

I have tried every variation of each of these DTMF types on the phone, the Elastix server and on the SIP trunk. I have tried using different CODECs (ulaw, GSM and G729) matching / passthrough and dissimilar to require conversion. Everything seems to pass the DTMF tone through or Elastix generates the tone (SIP INFO)to the outside POTS phone at the other end of the trunk. It just never intercepts the feature code whether it starts with * or #.

I am not entirely sure what details are needed, but I will try:
I am running a VM hosted remotely.
Centos 5.5

Kernel
Linux(x86_64)-2.6.18-194.3.1.el5xen

Elastix
elastix-2.0.0-58
elastix-asterisk-sounds-1.2.3-1
elastix-reports-2.0.0-20
elastix-addons-2.0.0-19
elastix-vtigercrm-5.1.0-8
elastix-firstboot-2.0.0-14
elastix-system-2.0.0-38
elastix-fax-2.0.0-18
elastix-email_admin-2.0.0-23
elastix-agenda-2.0.0-24
elastix-a2billing-1.3.0-4
elastix-pbx-2.0.0-41

RounCubeMail
RoundCubeMail-0.3.1-5

Mail
postfix-2.3.3-2.1.el5_2
cyrus-imapd-2.3.7-7.el5_4.3

IM
openfire-3.5.1-3

FreePBX
freePBX-2.7.0-10

Asterisk
asterisk-1.6.2.13-0
asterisk-perl-0.10-2
asterisk-addons-1.6.2.1-0

FAX
hylafax-4.3.9-0rhel5
iaxmodem-1.2.0-1.1

DRIVERS
dahdi-2.3.0.1-3
rhino-0.99.3-2.beta2
wanpipe-util-3.5.14-0

Phones tried are:
Grandstream GXP2120
Grandstream GXP2020
Grandstream GXP280
Grandstream HT502
SNOM 360

Any direction or advice would be very much appreciated.
Thanks, Jason
 

jdhatch

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#4
I got the HT502 working. YEAH!!!!

I will keep plugging on the others!
 

dicko

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#5
Make sure those codes are not pre-empted by "feature codes" on the phone itself.
 

jdhatch

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#6
Thanks Dicko. That was part of the problem. Also the HT502 and GXP2120 both have their own dial plan I had to add ##x+ to.

Thanks, Jason
 

fmvillares

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#7
also remember the grandstream get all by default in inband dtmf mode and not rfc2833 or sip info
 

jdhatch

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#8
Yeah.

I changed the DTMF in the phones early in this process.

Jason
 

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