Supported devices
ATA Adaptors
IP Phones
Cordless IP Phones
IP Conference Phones
IP PBX Software/Hardware
Desktop Softphones
Mobile Softphones

Security considerations for Callcentric customers

3CX Version 6
3CX Version 12
3CX Version 12.5
3CX Version 15
3CX Version 16
3CXPhone (for Windows)
3CXPhone (Mobile)
Aastra 6753i
Acrobits/Groundwire for iPhone
Android SIP Client
Apivio MWP1100
Asterisk 1.4 and 1.2
Asterisk 1.6
Asterisk 1.6.2, 1.8, and 10
Asterisk 14
Asterisk 17 CHAN_SIP (Vanilla)
Asterisk 17 PJSIP (Vanilla)
Asterisk Admin GUI v2.11
Asterisk Admin GUI v12
Asterisk Admin GUI v13
Asterisk Admin GUI v15
Bria Solo
Bria Desktop
Bria Mobile
Cisco ATA 186/188
Cisco SPA112/SPA122
CloudTC Glass 1000
D-Link DVG-1402S
Gigaset A510 IP
Gigaset C610A IP
Gigaset DX800A
Grandstream DP715/710
Grandstream DP750/720
Grandstream DP752/730/722
Grandstream GAC2500
Grandstream GRP2612
Grandstream GRP2613
Grandstream GRP2614
Grandstream GRP2615
Grandstream GXP1450
Grandstream GXP1620
Grandstream GXP1625
Grandstream GXP1630
Grandstream GXP1760
Grandstream GXP1782
Grandstream GXP2110
Grandstream GXP2130
Grandstream GXP2140
Grandstream GXP2160
Grandstream GXP2170
Grandstream GXP2200
Grandstream GXV3140
Grandstream GXV3240
Grandstream GXV3275
Grandstream GXV3370
Grandstream GXV3380
Grandstream HandyTone 286
Grandstream HandyTone 486
Grandstream HandyTone 702
Grandstream HandyTone HT802
Grandstream HandyTone HT814
Grandstream HandyTone HT818
Grandstream UCM6102
Grandstream UCM6204
Grandstream Wave Lite
Grandstream WP820
Htek UC803
Htek UC860
Htek UC924
Htek UC926
Innomedia SIP MTA-6328
Innomedia BuddyTalk 110
Linksys PAP2
Linksys SPA3102
Linphone Desktop (v4.1.1)
Linphone Desktop (v3.4.3)
Linphone Mobile
Linphone Mobile (v.3.2.3)
NCH Express Talk
Nokia E90
pbxnsip Version 3
Polycom SoundPoint IP 601
Polycom SoundStation IP 5000
snom 1xx/2xx/3xx
snom 820
snom D717
snom D735
snom D785
snom M9
snom ONE
Telco AC-211
trixbox / Elastix / pbx-in-a-flash
Windows Messenger
Unidata ICW1000G
Uniden EXP1240
UTStarcom F3000
Vodia PBX (v5)
Vodia PBX (v64.0)
VTech VCS754
VTech VDP650
VTech VSP600
VTech VSP725
VTech VSP726
VTech VSP735
VTech VSP736
X-Lite / X-Pro / eyeBeam
Yealink T32G
Yealink T41S
Yealink T42G
Yealink T42S
Yealink T46G
Yealink T46S
Yealink T48S
Yealink W52P
Yeastar MyPBX U100
ZoIPer 3.2
ZoIPer 5
ZoIPer Mobile
Zoom 5801
Zycoo CooVox U20
Other Linksys/Sipura products
Generic / Other Device

DID-Based Routing with Asterisk

pbxnsip is a software PBX available on Windows, Mac OS X, Linux, and FreeBSD offering all the advanced features of a full featured PBX including calling queues, auto attendants, call forwarding, parking and many others. pbxnsip requires a license to operate so users of this software will have to purchase a license directly from the pbxnsip website or a reseller.

This setup guide is intended to show the most basic configuration of the pbxnsip PBX. For more advanced configurations and features you can combine the basics included in this guide along with the pbxnsip documentation.

For pbxnsip version 3 setup information please click here.

Please note, Callcentric is not responsible for preventing unwanted physical or remote access to your IP PBX. If your IP PBX is compromised, you will be responsible for all associated damages.

Please be sure to read this guide regarding securing your IP PBX solution.

Help / Support:
pbxnsip Wiki

Configuring pbxnsip
Here we will configure pbxnsip through the web interface to properly route both incoming and outgoing calls to and from Callcentric. Ths information presented in this documentis based on version 1.5.1 (Win32) of the pbxnsip software. This guide assumes that you have installed pbxnsip and that the pbxnsip install steps were completed properly including obtaining the proper license. This guide also assumes that you have administrative access to the pbxnsip administration interface.

We recommend that you read each step through in its entirety before performing the action indicated in the step.
STEP 1 Add a new Domain
If you have't already please follow this step to add a new domain to your pbxnsip PBX. Otherwise you may skip this step.

  • Login to the pbxnsip administrative interface

  • Select Setup in top right of page

  • Select Create from the sub menu

  • Read the instructions for adding a new domain

  • Enter localhost in the "Primary Name" field

  • Enter localhost in the "Alias Names" field

  • Click Create to create a new domain

STEP 1b Select the domain
Now you will need to select the domain you wish to configure.

  • Click Domains in the top right of the page

  • Select the domain you wish to edit. In this case please select localhost from the Domains list

STEP 2 Trunk Configuration
In the context of this guide a trunk is used to route calls to or from your pbxnsip PBX and Callcentric

  • Select Trunks from the navigation options. You will either be shown a list of trunks you have already configured or an empty list of trunks

  • Scroll to New Trunk and enter callcentric into the Name field

  • Select SIP Registration as the value for Type

  • Click Create

  • When the page reloads click on the edit icon next to the trunk you wish to edit, in this case the callcentric trunk.

  • Enter the following information in the appropriate fields:
    Display Name = [Enter your name or Company name here]
    Account = 1777XXXXXXX
    Registrar =
    Username = 1777XXXXXXX
    Password = SUPERSECRET
    Password (repeat) = SUPERCRET
    Outbound Proxy =

    Where 1777XXXXXXX is your Callcentric number and SUPERSECRET is the same password you create when you sign up for you Callcentric account. Optionally you may change it in your preferences

  • Click Save to add your new SIP trunk to your pbxnsip server

  • When the page reloads click on the Show List link from the navigation menu to see that your new trunk has successfully registered to Callcentric's servers

STEP 3 Configure Dial Plans
Here we will add a default dial plan for the localhost domain if there is no default dial plan. Note: Currently in order to send star (*)/feature code numbers to Callcentric you will have to use an outside line qualifier. Here we use 9. We also use 9 to send any call to Callcentric.

  • Select Dial Plans from the navigation menu

  • Add a new dial plan and call it callcentric

  • Click Create. The page will then reload

  • Click on the edit icon next to the callcentric dial plan to edit it

  • Enter the following dial plan
    b - Pref = "100", Pattern = "9(\*)([0-9]*).*", Replacement = "\1\2"
    a - Pref = "200", Pattern = "9*", Replacement = ""

  • Click Save to add your new dial plan pattern

STEP 4 Add an Account/Extension for calling
An extension in pbxnsip is an account that provides a number which another UA (software or hardware used for calling) can connect to in order to make and receive calls.

If you have already configured an extension then you may skip to Step 5. Then in the next step (Inbound Call configuration) you may use your pre-configured extension.

  • Select Accounts to add a new extension which will connect to your pbxnsip server

  • Select Create on the top of the page to begin the process

  • Select Extension from the account type drop down box

  • Enter 1000 for the first extension number

  • Enter First Extension in the Name field. Later you may enter a unique identifier of your choice

  • Enter your desired password in the Password field. You will use this password when configuring your desired UA later in order to connect to your pbxnsip PBX

  • Enter an optional email address in the Email field for the person using this extension. Here we have left it blank

  • Click on Create on the bottom of the page to add your new extension to your pbxnsip server

  • When the page reloads select Show List from the navigation

  • Click on the edit icon next to the 1000 extension, or your preconfigured extension

  • Set the Dial Plan option to callcentric, which is the dial plan we created earlier

  • Click on Save

STEP 5 Inbound Call Configuration
Inbound configuration can be extremely complex. With an inbound route you are given the flexibility to send incoming calls to a whole range of destinations. For example you may route an incoming call to a specific extension, to a ring group or to an IVR. In this section we are going to setup an inbound route which will simply route those calls to a hunt group consisting of your 1000 extension. Later on you can configure more complex routing schemes.

  • Select Account to configure the routing of calls to your Callcentric account

  • Select Create at the top of the page to begin adding a new hunt group

  • Select Hunt Group for the Account Type

  • Enter your 1777XXXXXXX Callcentric account number in the Account Names field

  • Click on Create on the bottom of the page to add your new Hunt Group to your pbxnsip PBX

  • When the page reloads click on Accounts then click on Show List and finally click on the edit icon next to the 1777XXXXXXX hunt group you just created

  • In the Stages: section add the 1000 extension to the Stage 1 Extensions list and set the timeout to 30, or your desired timeout limit which is in seconds

  • Set the value for the Dial plan for outbound calls field to callcentric, which is the dial plan we created earlier

  • Click Save

STEP 6 Configure and test UA
  • Choose your desired UA

  • Use the IP address or hostname for your pbxnsip PBX along with "1000" (the extension created earlier which is the username) and the password for the 1000 extension to connect to your pbxnsip PBX

  • Next you will want to try placing test calls to and from your pbxnsip PBX using the UA currently connected to your newly created extension (1000). To perform test calls please follow this link. Remember to use 9 as your outside line qualifier.