Adtran Total Access Debug Commands

Posted: January 14, 2012 in Adtran, System Configuration, VoIP Gateway
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Here is a great post by Mark Holloway that lists the most commonly used debug commands for the Adtran Total Access:

http://www.markholloway.com/blog/?p=315

Debug Output

Command Description
show debugging shows current enabled debug commands
debug sip stack messages shows sip debug information
debug isdn l2-formatted shows isdn debug information (easier use)
debug voice verbose shows all voice messaging
debug isdn verbose shows all isdn messaging
debug interface T1 0/4 rbs shows robbed bit signaling from CAS circuit
undebug all turns off all debugging

Utility Commands

Command Description
clear count media counters on media-gateway reset
clear counters clears counters on interfaces
no events turns off messages to the current session
ping ping an IP address
traceroute trace the router path to a destination IP address
wall sends a broadcast message to all current users
sip trunk-registration force-register forces sip re-registration

Show Commands

Command Description
show sip trunk-registration shows registration status
show media-gateway summary shows media gateway channel status
show media-gateway channel 0/2.1 shows media gateway channel details
show qos map shows qos map
show flash lists contents of the flash
show run voice [verbose] lists running configuration for voice provisioning
show hosts shows the hosts table with timers
show event-history shows events and terminal commands typed
show interfaces shows interface details
show system shows uptime, firmware version and timing
show thresholds shows thresholds of T1 interfaces
show users shows current users
show voice quality-stats shows call information including lost packets
show voice quality-stats active shows call information including lost
show voice quality-stats active realtime shows call information including lost
show ip traffic TCP and UDP statistics
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Enable and configure T38 faxing on the Adtran Total Access 900 Series Gateway

Posted: January 13, 2012 in Adtran, System Configuration, VoIP Gateway
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As with most enterprise equipment the web GUI is usually either incomplete or full of bugs. (I got locked out of gateway once when trying to set the password through the web GUI)

In the Adtran Total Access web GUI you can enabled T38 faxing by checking the T38 check box under the T1 trunk.

While this does enable T38 it does not allow for the full configuration.

Here is a list of all the T38 options available through the terminal:

  • modem-passthrough
  • t38
  • t38 error-correction [fec | redundancy]
  • t38 redundancy [high-speed | low-speed] <value>
  • t38 max-rate <value>
  • t38 fallback-mode g711
  • t38 max-buffer <value>
  • t38 max-datagram <value>

Samples config:

(config)#voice trunk t02
(config-T02)#modem-passthrough
(config-T02)#t38
(config-T02)#t38 redundancy high-speed 3
(config-T02)#t38 redundancy low-speed 2
(config-T02)#t38 fallback-mode g711
(config-T02)#t38 max-rate 9600
(config-T02)#exit

Mediatrix 4100 Series VoIP Analog Gateway

Posted: January 12, 2012 in VoIP Gateway
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Recently I purchased about 25 Mediatrix 4108 and 4116 VoIP Analog Gateways on a closeout.

Until the purchase I have never used any of Mediatrix’s products but I figured it will have the standard features.

To my surprise it as lacking almost all features and almost unusable. It didn’t have hunt-groups or any kind of routing.

After doing some research I discovered a firmware called DGW that was supposed to have some additional features but I was unable to find it.

I contacted support and three days later I received a response asking me to fill out an application so I can access their portal.

Once everything was setup on their end I was able to log in and download the DGW firmware.

The process is two steps and required the installation of a transition firmware via TFP to complete the full upgrade.

After the dust settled I had what looked like a totally new product.

The DGW firmware allows for the following plus more:

  • Multiple IPs per interface
  • Firewall
  • All codec settings can be set based upon FXS por
  • Routing can configured based upon any part of the SIP header and/or time and date
  • CDRs
  • Call waiting, call forwarding, music on hold
  • All the information in the SIP header can be manipulated (To, From, user, server)

So to say the least I was very surprised this has features many PBXs don’t have.

I am not sure why the DGW firmware is not standard but this turned out to be one solid product.

Reliability of Yealink Phones

Posted: January 11, 2012 in IP Phone
Tags: ,
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In the past year I have deployed more Yealink phones then any other brand.

These phones are definitely the best bang for the buck and have good sound quality. (Not as good as Polycom or Cisco but close enough to be used as a business phone)

Once you start looking at reliability though these phone do not match up to the main stream phone manufactures.

I have had more DOAs then any other brands.

In addition as the phones approach the one year mark I have seen them have various sound quality issues such as static and random momentary loss of audio.
Some of these were able to be fixed with a simple swapping out of the phone cord but others needed to be replaced all together.

I will continue to deploy these phones due to the price point and relatively good sound quality but these are not on the same level as the big players.

Review of Multi-Tech FaxFinder FF240 – T38 Fax server

Posted: January 10, 2012 in IP PBX
Tags: ,
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Please see the updated review here: http://wp.me/pI64k-2G

Recently I purchased a demo unit Multi-Tech FaxFinder FF240 fax server.

In the past I have used their analog version with great results. Their API is great.

As far as configuration goes this model is very similar as the non-VoIP versions except for the SIP trunk setup.
In terms of fax sending and receiving this unit fails to perform.

At first I tried connecting to a VoIP provider that supported T.38. The results were mixed with a success rate of about 60 to 70%.

Next I connected it directly to an Adtran Total Access VoIP Gateway going into a PRI.
If I set the unit to send T38 without negotiation is worked perfectly. The problem was that all inbound calls were rejected.
Next if I set it to negotiate T38 then the success rate would drop back to 60 to 70%.
In addition there is only one trunk so it can’t have different configurations for inbound and outbound.

For now this unit is sitting in storage hopefully they will come out with a firmware update that will fix these issues.

———————–Update 01/11/2012 —————————-

From Multi-Tech:

It looks like Engineer already has a fix for it and it is currently in testing phase. I don’t have a time frame for you. But I will update you as soon as the firmware fix is available.

Once I receive the new firmware and test it I will update this post with the results.

———————–Update 01/13/2012 —————————-

Multi-Tech sent me a firmware upgrade to 1.1.5.
After the installation the success rate was a little better but still not acceptable.
I will see were it goes from here.

———————–Update 01/16/2012 —————————-

Multi-Tech is now saying that it was tested with Broadvox. Since I don’t have a BroadVox account and have no interest in signing up for one I guess I’m stuck.
Since I purchased this as a demo unit I can’t return it so for now it will just sit upon the shelf until they come out with a reliable firmware update.

Factory Reset Yealink Phone

Posted: January 9, 2012 in IP Phone
Tags:
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The Yealink phones can be factory reset by simply holding down the “OK” button for about 10 seconds.

The phone will then ask to confirm the reset; once you OK it the phone will reset back to defaults.

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