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We create a call routing table with the following 3 call routing entries in it. Two of the entries point to Transformation tables for calls that originate from SIP and PSTN devices to a Lync client, and the third call routing entry points to a Transformation table for a call that originates from a Lync client to a PSTN device:

Row

Transformation Table

Destination Type

Signaling Group

Media Selection

Media Transcoding

Call Control Profile

Fork

1

#Local SIP Phone to Lync

normal

registra

G.711

Enabled

None

No

2

#PSTN to Lync

normal

ISDN

G.711

Enabled

None

No

3

#Lync to PSTN

normal

Lync

G.711

Enabled

None

No

(tick) Click each Transformation table link above to view its summarized behavior.

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  • All Called Number of 4-digit whose number does not begin with '2' and Calling Number of 4-digit beginning with '2' will be sent to the Lync client.
    Spacevars
    0company
    SBC 1000/2000 will set phone-context to fremont.example.com and ext to the Calling Number.

Row

Input Field

Match Field/ Field Value

Output Field/ Replaced by Field

Field Value

Match Type

1

Called Address/Number

([^2]\d{3}$)

Called Extension

\1

Mandatory

2

Calling Address/Number

(2\d{3}$)

Calling Extension

\1

Mandatory

3

Calling Address/Number

(2\d{3}$)

Calling Phone Context

fremont.example.com

Mandatory

Mmessage Flow:

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borderStylenone


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Local SIP Phone to Lync

Image Modified

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PSTN to Lync

Summarized transformation behavior:

  • Calls with Called Number of 14085551000 will be sent to Lync with phone-context set to san_jose.example.com
  • Calls with Called Number of 14155553000 will be sent to Lync with phone-context set to san_francisco.example.com

Row

Input Field

Match Field/ Field Value

Output Field/ Replaced by Field

Field Value

Match Type

1

Called Address/Number

14085551000

Calling phone context

san_jose.example.com

Optional

2

Called Address/Number

14155553000

Calling phone context

san_francisco.example.com

Optional

Mmessage Flow:

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borderStylenone

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PSTN to Lync

Image Modified

 


Lync to PSTN

Summarized transformation behavior:

  • Calls with Called Number of 1 plus ten digits and phone-context of san_jose.example.com will be sent to the PSTN with Calling Number set to 14085551000
  • Calls with Called Number of 1 plus ten digits and phone-context of san_francisco.example.com will be sent to the PSTN with Calling Number set to 14155553000

Row

Input Field

Match Field/ Field Value

Output Field/ Replaced by Field

Field Value

Match Type

1

Called Address/Number

(1\d{10}$)

Called Extension

\1

Mandatory

2

Calling phone context

san_jose.example.com

Calling Address/Number

14085551000

Optional

3

Calling phone context

san_francisco.example.com

Calling Address/Number

14155553000

Optional

Mmessage Flow:

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borderStylenone

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Lync to PSTN

Image Modified

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Note

Note: SIP message sent by the

Spacevars
0company
SBC 1000/2000 system should have the From and To headers as follows:

No Format
From: 5551234<sip:5551234;ext=1234;phone-context=example.com@192.168.1.10>
To: tel:2222<sip:2222;ext=2222;phone-context=example.com@192.168.1.20>


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