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eSpace 8950 IP Phone V200R003C00 Administrator Guide

Provides information about deployment, operate and maintain the Video Phone.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Redundancy

Redundancy

This section describes how to configure redundancy for the IP phone in the UC2.X network environment.

Context

A maximum of five SIP server addresses can be configured for an eSpace 8950, and so can the proxy server addresses. The five servers have similar functions but different priorities. When SIP servers 1-4 are faulty, the IP phone connects to SIP server 5 to ensure functional services.

The rule for registration retry on a server is as follows: An IP phone retries registration to a SIP server at an interval of T1, 2 x T1, 4 x T1, 8 x T1, and so on. When the interval is equal to or greater than T2, the IP phone retries registration at intervals of T2 until the total retry time reaches 8 x T2. T1 and T2 are SIP signaling parameters. The default value of T1 is 500 ms and that of T2 is 4000 ms.

Rule for sequential registration: An IP phone sends a registration request to SIP server 1 and if this server fails to respond, the IP phone retries its registration following the rule for registration retry on a server within 3s. If the registration still fails 3s later, the IP phone stops its retry and sends a registration request to SIP server 2. The subsequent process is the same as the preceding description, which is sending a registration request to the next server upon 3s retry failures. The 3s interval is not configurable.

Configuration Methods

You can configure the redundancy function using four different methods, as listed in Table 5-29.
Table 5-29  Configuration methods

Method

Details

eSight

On the eSight management portal, choose Configuration > IP Phone Management, set related parameters on the page that is displayed.

DHCP Option 246

Set related parameters in the configuration file and deliver the new configuration file to the IP phone.

Web

On the phone web page, choose Advanced > Server and set related parameters on the page that is displayed.

LCD

Tap , choose APPLICATIONS > Settings, choose Advanced > Seerver and modify related parameters.

Parameter Settings

Table 5-30 lists the parameters that you must set for the redundancy function.

Table 5-30  Parameter description

Parameter

Description

How to Set

How to Modify the Configuration File

Disaster Recovery

  • Sequential: The IP phone sends registration messages to a SIP server at intervals of half of the registration interval. If the active SIP server fails, the IP phone registers with the standby SIP server. If the standby SIP server also fails, the IP phone registers with the local SIP server. Services are interrupted during the SIP server switching. After the IP phone registers with a SIP server successfully, its services become available again.
  • Simultaneous: The IP phone registers with the active, standby, and local SIP servers at the same time. If the active SIP server fails, the standby SIP server takes over the services. If the standby SIP server also fails, the local SIP server takes over the services. The switching takes about 3s, which is insensible to users. After the switching, services are running properly.

Default: In a UC2.X, IMS or IMS+UC network environment, the default value is Sequential.

Parameter: DisasterRecoveryMode

Location: Device > ComCfg > Phone > Environment

Value range: 0 or 1
  • 0: Sequential
  • 1: Simultaneous

Example: DisasterRecoveryMode="1"

SIP Server

Specifies the phone registration mode and the SIP server address.
NOTE:
Server 1, Server 2, Server 3, Server 4, and Server 5 represent the active SIP server, standby SIP server, standby SIP server 2, standby SIP server 3, and local SIP server respectively.
Enter the IP address of the SIP server based on your network environment.
  • In a UC2.X network environment, the SIP server is a gateway of the eSpace U1900 series or EGW1500 series.
  • In an IMS+UC or UC2.0 network environment, the SIP server is a gateway of the eSpace U2900 series. The SIP server setting is automatically pushed by the AA server.
  • In an IMS network environment, this parameter is set by the administrator.
  • In a CC network environment, the SIP server is a gateway of the eSpace U2900 series, a UAP3300, or a Session Border Controller (SBC).
  • In a third-party SIP server network environment, the SIP server is a third-party SIP server.

Parameters: PrimaryRegServerAddress, BackupRegServerAddress, and LocalRegServerAddress

Location: Device > ComCfg > Phone > Server

Setting:
  • PrimaryRegServerAddress: Set this parameter to the address of the active SIP server.
  • BackupRegServerAddress: Set this parameter to the address of the standby SIP server.
  • BackupRegServer2Address: Set this parameter to the address of standby SIP server 2.
  • BackupRegServer3Address: Set this parameter to the address of standby SIP server 3.
  • LocalRegServerAddress: Set this parameter to the address of the local SIP server.

Example: PrimaryRegServerAddress="192.168.1.9"

SIP Server Port

Indicates the port number of the SIP server.

Enter the port number of the SIP server based on your network environment.
  • In an IMS+UC or UC2.0 network environment, you do not need to specify the port number. The value is automatically pushed by the AA server.
  • In an IMS network environment, this parameter is set by the administrator.
  • In a UC2.X, or CC network environment, use the default value 5060. However, if 5060 is used for SIP signaling transmission, set the port number of the SIP server to 5061.
  • In a third-party SIP network environment, set this parameter to the port number of the third-party SIP server in use.

Parameters: PrimaryRegServerPort, BackupRegServerPort, and LocalRegServerPort

Location: Device > ComCfg > Phone > Server

Setting:
  • PrimaryRegServerPort: Set this parameter to the port number of the active SIP server.
  • BackupRegServerPort: Set this parameter to the port number of the standby SIP server.
  • BackupRegServer2Port: Set this parameter to the port number of standby SIP server 2.
  • BackupRegServer3Port: Set this parameter to the port number of standby SIP server 3.
  • LocalRegServerPort: Set this parameter to the port number of the local SIP server.

Example: PrimaryRegServerPort="5060"

Proxy Server

Indicates the address of the proxy server.

The IP phone registers with the proxy server with preference. If the proxy server address you have specified is incorrect, the IP phone will continue its attempt to register with this incorrect address and does not register with the SIP server. This will cause a registration failure.

In an IMS+UC or UC2.0 network environment, the value is automatically pushed by the AA server.

In an IMS network environment, this parameter is set by the administrator.

Parameters: CallOutProxyServerAddress, CallOutBackupServerAddress, and CallOutLocalServerAddress

Location: Device > ComCfg > Phone > Server

Setting:
  • CallOutProxyServerAddress: Set this parameter to the address of the active proxy server.
  • CallOutBackupServerAddress: Set this parameter to the address of the standby proxy server.
  • CallOutProxyServer2Address: Set this parameter to the address of standby proxy server 2.
  • CallOutProxyServer3Address: Set this parameter to the address of standby proxy server 3.
  • CallOutLocalServerAddress: Set this parameter to the address of the local proxy server.

Example: CallOutProxyServerAddress="192.168.1.10"

Proxy Server Port

Indicates the port number of the proxy server.

In an IMS+UC or UC2.0 network environment, the value is automatically pushed by the AA server.

In an IMS network environment, this parameter is set by the administrator.

Parameters: CallOutProxyServerPort, CallOutBackupServerPort, and CallOutLocalServerPort

Location: Device > ComCfg > Phone > Server

Setting:
  • CallOutProxyServerPort: Set this parameter to the port number of the active proxy server.
  • CallOutBackupServerPort: Set this parameter to the port number of the standby proxy server.
  • CallOutProxyServer2Port: Set this parameter to the port number of standby proxy server 2.
  • CallOutProxyServer3Port: Set this parameter to the port number of standby proxy server 3.
  • CallOutLocalServerPort: Set this parameter to the port number of the local proxy server.

Example: CallOutProxyServerPort="5060"

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Updated: 2018-09-12

Document ID: EDOC1000067158

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