Call flow example from PSTN trunk to a Call Center Elite user

Last Updated : Apr 25, 2023 |

Example 1

This SIP call flow example is a SIP trunking scenario where a test call is made from a PSTN trunk user (705030) to a Call Centre Elite user (604020) through Avaya SBC.

Trunk User —> ostn-cm —> pstn-asm —> SBC —> cce-asm —> cce-cm —> CCE user

The following table contains the parameter field names and values for the various interfaces, profiles, and policy groups used in this call scenario.

Note:

The provisioning information in this table is a sample reference for examining call flows and might be incomplete.

Table 1: Signaling Interface – PSTN-Sig-Interface

Field

Value

Name

PSTN-Sig-Interface

Signaling IP

10.129.2.1

TCP Port

5060

UDP Port

5060

TLS Port

5061

TLS Profile

Avaya-SBC-Server
Table 2: Media Interface – PSTN-Med-Interface

Field

Value

Name

PSTN-Med-Interface

Media IP

10.129.2.1

Port Range

56000 – 60000
Table 3: Routing Profile – To-PSTN-ASM

Field

Value

URI Group

*

Next Hop Server 1

10.129.3.82

Transport

TCP
Table 4: Server Configuration – PSTNASM

Field

Value

General

Server Type

Call Server

IP Addresses / FQDNs

10.129.3.82

Supported Transports

TCP, TLS

TCP Port

5060

TLS Port

5061

Advanced

Enable Grooming

Enabled

Interworking Profile

avaya-ru (default profile)

TLS Client Profile

Avaya-SBC-Client
Table 5: Server Flow – PSTN-Trunk

Field

Value

Flow Name

PSTN-Trunk

Server Configuration

PSTNASM

Received Interface

CCE-Sig-Interface

Signaling Interface

PSTN-Sig-Interface

Media Interface

PSTN-Med-Interface

Endpoint Policy Group

PSTN-default-low

Topology Hiding Profile

default (Default profile)

Routing Profile

To-CCE-ASM
Table 6: Endpoint Policy Group – PSTN-default-low

Field

Value

Application

default

Border

default

Media

default-low-med

Security

default-low

Signaling

default-low

Time of Day

default-low

Example 2

Table 7: Signaling Interface – CCE-Sig-Interface

Field

Value

Name

CCE-Sig-Interface

Signaling IP

10.32.3.1

TCP Port

5060

UDP Port

5060

TLS Port

5061

TLS Profile

Avaya-SBC-Server
Table 8: Media Interface – CCE-Med-Interface

Field

Value

Name

CCE-Med-Interface

Media IP

10.32.3.1

Port Range

56000 – 60000
Table 9: Routing Profile – To-CCE-ASM

Field

Value

URI Group

*

Next Hop Server 1

10.32.15.8

Transport

TLS
Table 10: Server Configuration – CCEASM

Field

Value

General

Server Type

Call Server

IP Addresses / FQDNs

10.32.15.8

Supported Transports

TCP, TLS

TCP Port

5060

TLS Port

5061

Advanced

Enable Grooming

Enabled

Interworking Profile

avaya-ru (Default profile)

TLS Client Profile

Avaya-SBC-Client
Table 11: Server Flow – CCE-ASM

Field

Value

Flow Name

CCE-ASM

Server Configuration

CCEASM

Received Interface

CCE-Sig-Interface

Signaling Interface

CCE-Sig-Interface

Media Interface

CCE-Med-Interface

Endpoint Policy Group

CCE-default-low

Topology Hiding Profile

default (Default profile)

Routing Profile

To-PSTN-ASM
Table 12: Endpoint Policy Group – CCE-default-low

Field

Value

Application

default

Border

default

Media

default-low-med

Security

default-low

Signaling

default-low

Time of Day

default-low