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Toshiba MIPU configuration Guide

Article ID: 000109
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Configuring Toshiba CIX with MIPU SIP Trunking Card to Interoperate with ABS VoIPZone IPTrunking Service


November 2007

Rev. 1.c








Businesses Save Money with Toshiba's New
SIP Trunking Feature

Unlike gateway based solutions, Toshiba's MIPU card with SIP trunking eliminates a potential point of failure, costs less and allows SIP Trunking to be supported natively in the phone system along with remote IP phones, softphones, WiFi phones, IP based voicemail and IP based ACD applications.

SIP Trunking allows Toshiba resellers / ABS partners to offer  more robust services than are available on  PRI or analog circuits from conventional TELCO providers  Small businesses benefit, because with ABS' "VoIPZone IP Trunking" services  they can have DID numbers for everyone with just a few two-way SIP trunks (DID cards are not required). Multi-location businesses can provide local DID numbers for all their small branches, through their StrataNet wide area network.  Additional "VoIPZone IP Trunking" features are available too, such as the network based Call Forward No Answer feature. This feature, accessed via the ABS Online Portal, enables individual DIDs to be configured so that calls will be automatically rerouted to a preconfigured number (i.e. cell phone or another location) in the unlikely event that connectivity was lost. This gives great dynamic capabilities for disaster recovery.

SIP (Session Initiation Protocol) is an application layer protocol used for establishing sessions in an IP network. SIP is similar to HTTP and SMTP; SIP is a text-based protocol. IPTrunking harnesses the power of the SIP protocol to route calls over ABS's 100% VoIP network and route it to the nearest Public Switched Telephone Network (PSTN) when appropriate.

Toshiba implements SIP trunking using their MIPU card. The MIPU is designed from the ground up as a VoIP card able to support IP stations, Strata Net IP, and now SIP trunking. With the SIP Trunking capability of the new MIPU card, companies are no longer committed to having to purchase different types trunk cards and the bundles of physical wires to host analog, PRI and BRI trunks.  With the MIPU implementation of SIP Trunking, companies are able to leverage their existing Toshiba CIX R4.x (and later) PBX systems with just the purchase of MIPU cards, CIX R5.x software update and corresponding licenses.

For companies that already have a networking infrastructure, there are no additional networking devices required to implement SIP Trunking.

Unlike legacy T1 circuits, an ABS enabled circuit does not have to be physically provisioned and divided to separate the voice channels from the data channels. Voice traffic is marked with QoS (Quality of Service) and has higher priority than data so business grade services can be maintained.  When no calls are active, all of the bandwidth is available for data.


MIPU SIP Trunking implementation Benefits

  • IP stations, Strata Net IP networking and SIP Trunking can all be hosted using the same MIPU card.
  • The MIPU card comes in a 16 channel version and the new 24 channel version without having to use a daughter-board.
  • SIP Trunking using the MIPU replaces having to purchase analog trunk cards, PRI, T1 and BRI cards.
  • The MIPU SIP Trunk is scalable. Simply add additional MIPU cards as your needs grow.
  • For companies with an existing network infrastructure, there is no additional networking hardware to purchase to implement SIP Trunking using the MIPU card.
  • One MIPU card can be configured for multiple service providers simultaneously.


System Requirements

  • CIX Hardware: CIX-40, CIX-100, CIX-200, CIX-670
  • CIX Software: R5.1 MS17 or higher
  • MIPU: MIPU01_07 or higher
  • eManager: V5.00 A10 or higher
  • Service provider: American Broadband Services
  • Soft Switch: Broadsoft
  • License: LIC-CIX-SIPT-CH


SIP Trunking Network Configuration Example











Programming the MIPU card

1.       Set the card type for the slot holding the MIPU

2.       Choose the type of MIPU for use in the system.  The number of channels entered must match the number of channels on the card.






Programming the Incoming Line Group

  • For SIP trunk programming you start with an ILG and OLG assignment.
  • For ILG Programming create an ILG group (8).
  • FB01-Trunk type- select SIP
  • FB03-CO service type- DID
  • FB11-Number of DID Digits- number of incoming digits to use from the dialed number to route the call. (Count from the least significant digit side.)

DID routing must be set up to route incoming SIP calls to their desired destinations.  That programming is the same as any other trunk group type.  If that routing is not set up incoming Invites will fail instantly.



Note      SIP trunking requires a license for each trunk. No channel group can successfully be programmed without a license.

Sip trunking is supported by the MIPU card only. It can share connections of its ports between stations and IPTs and other IPU devices. The IPTs are the only devices that are flexibly assignable. That is, SIP stations, VM ports, SIP trunks and attendant consoles are fixed resources. IPTs do not need to be fixed assignments (unless they have an assigned equipment number, not 0000).

Programming the Outgoing Line Group

1.       Create a new OLG and designate it as SIP.

2.       FB01-Group type - SIP

3.       The rest can be default.  There is a need to create an OLG access code for this group.





Creating the Channel Group

1.       Go to IP Telephony | SIP trunking.  The first tab is Channel Group setting Program 326.

2.       Create- Channel Group (8)

3.       FB01- Equipment Number- 0203 (four digits only)

4.       FB02- LAN interface number = 1 (MIPU only has one interface)

5.       FB03 - StrataNet Channels - The TOTAL number of ports on this card that are going to be dedicated to SIP Trunking.  On further tabs, each OLG or ILG can be for a different service provider and still be in the same channel group.  This entry is the total number of trunks from ALL the service providers

6.       FB04- RBT tone on incoming call- Enable for the CIX to provide RBT (ring back tone).







Service definition

This tab is where the ISP that is providing the SIP trunk service is defined.  There may be several ISPs per channel Group.

Required Entries:

1.       Create the Service Kind Table Index - start with index 1 if desired

2.       FB01 - Registration Mode: Client (default)

3.       FB02 - ILG: Use the previously created ILG number

4.       FB03 - OLG: Use the previously created OLG Number

5.       FB04 - Effective Channel Number: Number of SIP trunks the customer ordered from ABS.

6.       FB05 - Domain Name: Enter the ABS "VoIPZone IPTrunking Domain" in this field.  This field is specific to your company (i.e.  Note that the VoIPZone IPTrunking Domain can be found in the VoIPZone IPTrunking Settings section of the ABS Install Profile, which is provided by your ABS Service Coordinator..

7.       FB06 - SIP Server: Enter the ABS "Outbound Proxy" in this field.  This field is specific to your market (i.e. ip address of SIP server).  Note that the Outbound Proxy can be found in the VoIPZone IPTrunking Settings section of the ABS Install Profile, which is provided by your ABS Service Coordinator.

8.       FB11- Be sure to change this to be 30 seconds.

9.       These are the only mandatory program entries.  The rest can be default for now.


  • Service Assignment

This tab must be completed before entries can be made on the next tab.  If not completed, entries attempted in the URI tab will not save.


Important!                    After URI entries are made in URI tab changing this program will DELETE all the URIs programmed.  Once this is set, do not change it.


1.       FB01 - Channel Group (8 in this example)

2.       FB02 - Select the "service number" by clicking on one of the table's line entries.  Use the drop down box to select the ISP to which the URIs belong.  This is to match the "service kind table index" number of the desired ISP.  The (URI) tab is where the URIs (directory numbers) will be entered.




URI Programming

The SIP URI is effectively the Telephone Number (TN) that ABS is going to provide.  Basically, the MIPU is going to register each TN using the same authentication credentials (FB03 and FB04).  When the URI TN is dialed (from outside), ABS will send a SIP INVITE just as if it were a call to a SIP station.  (But an outbound call using one of the UAs does not busy out the UA against an incoming call, that is a key difference of SIP trunks)

1.       FB00 - URI Service Index: The service Kind index that defines the ISP.  For instance, the service kind is ABS.  Here you will enter the TNs provided from ABS.

2.       FB01 - Index: Click the ‘index" line in the table to select one of the indexes 1-160.  Now proceed to fill in the URI data

3.       FB02 - SIP URI: This will be the TN of the URI

4.       FB03 - SIP URI User Name: This will be the TN of the URI This can be found in the VoIPZone IPTrunking Settings section of the Install Profile, which is provided to you by the ABS Service Coordinator.

5.       FB04-SIP URI password = authentication password. This can be found in the VoIPZone IPTrunking Settings section of the Install Profile, which is provided to you by the ABS Service Coordinator.

6.       FB05-Channel Group Number- this will be filled in automatically when the ADD button is clicked.  It cannot be filled in Manually.

Important!                    URIs will register as soon as they are ADDed or MODIFIed.  Otherwise all the URI will register when the MIPU is reset.  The UAs will re-register as required before the time out of the expiry timer.


Configuring the MIPU

1.       Go to IP Telephony | IPU config.  Here you will program the public IP address for the MIPU card no

       interface to the sip trunk provider. 

2.       FB01 = IP address.  Test with a public IP address first

3.       FB02 = Subnet Mask.  As applicable.

4.       FB03 = Default Gateway Address.  From IT department.

5.       There is only one interface on an MIPU so skip the second interface programming.




Configuring the MIPU continued

For a static IP you'll need to enter the DNS server address also.  This is critical to sip trunking.  The DNS server is used every time a call is made as well as during the registration process.  After making all these programming entries, press the reset button on the MIPU.  The new data will be absorbed by the MIPU.  In the MIPU will begin registration to the ISP.

  • FB 22- primary DNS IP address
  • FB 23- secondary DNS IP address








  • MIPU16/MIPU24
  • CIX-40
  • CIX-100
  • CIX-200
  • CIX-670



There is a new license associated with SIP Trunking.










Toshiba is a registered trademarks of Toshiba Corporation.

Strata, eManager, and CIX are registered trademarks of Toshiba America Information Systems, Inc.

Windows and Microsoft are registered trademarks of Microsoft.

VoIPZone IPTrunking are registered trademarks of American Broadband Services.

Trademarks, registered trademarks, and service marks are the property of their respective owners.

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