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Voice Feature Guide 01

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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).
Configuring the IP Z Interface Extension Service

Configuring the IP Z Interface Extension Service

The following network typically applies to the scenario where Z interface extension private line service needs to be carried over the IP network for the headquarters (HQ) and branch offices of an enterprise after the PSTN network reconstruction. In the following configuration example, the FXO and FXS boards are added for the Z interface extension local MSAN and remote MSAN respectively, board attributes are configured, and IP semi-permanent connections (SPCs) of the IP Z interface extension type are created between the two boards, so that users connected to the FXS board are connected to the corresponding ports on the FXO board through the SPCs.

Prerequisites

IP Z interface extension is a technology proprietarily owned by Huawei. Therefore, the MSANs on the FXO side and the FXS side must be Huawei MSANs.

Application Scenario

NOTE:

In this example, the MSANs at both ends of the IP network are Huawei MA5600T. The FXO board on MSAN_1 is the ATRB board, and the FXS board on MSAN_2 is the ASPB board. See more about the hardware support for the IP Z interface extension service , please refer to Introduction to IP Z Interface Extension .

Figure 1-177 shows a sample network of the IP Z interface extension service. The ATRB board of MSAN_1 connects to user A through the local exchange (the PBX) by using the Z interface. User B connects to the ASPB board of MSAN_2. The two MSANs are connected through the IP network. SPCs of the IP Z interface extension type are created between corresponding ports of the ASPB and ATRB boards to implement the IP Z interface extension service.
Figure 1-177 Network diagram of the IP Z interface extension service

Configuration Flow

Figure 1-178 shows the service configuration flows on the ATRB and ASPB boards.

Figure 1-178 Service configuration flows on the ATRB and ASPB boards

Procedure

  1. Run the board add command to add an ATRB board on MSAN_1 and an ASPB board on MSAN_2.
  2. Run the board confirm command to confirm the ATRB board on MSAN_1 and the ASPB board on MSAN_2.
  3. on MSAN_1 and MSAN_2, run specially the voip command to enter the VOIP mode.
  4. on MSAN_1 and MSAN_2, run specially the ip address command to configure the IP address of the voice service.
  5. on MSAN_1 and MSAN_2, run specially the quit command to quit the VOIP mode.
  6. on MSAN_1, run the fxoport command to enter the FXO mode.
  7. on MSAN_1, run the fxoport attribute set command to configure port attributes for the ATRB board.
  8. on MSAN_1, run thequit command to quit the FXO mode.
  9. On MSAN_2, run the pstnport command to enter the PSTN mode.
  10. On MSAN_2, run the pstnport_electric set command to configure attributes of PSTN ports on the ASPB board.
  11. On MSAN_2, run thequit command to quit the PSTN mode.
  12. Run the spc command on MSAN_1 and MSAN_2 to enter the SPC configuration mode.
  13. Run the ipspc add command to configure SPCs of the IP Z interface extension type on MSAN_1 and MSAN_2.

Example

Table 1-55 provides an example of related parameter configuration for the IP Z interface extension service.

Table 1-55 Data plan for the IP Z interface extension service

Configuration Item

Attribute

Data

ATRB board

Subrack ID/slot ID

0/15

ASPB board

Subrack ID/slot ID

0/11

VOIP address pools

Local IP address of media

10.10.10.2

Remote IP address of media

10.10.10.3

IP address of the gateway

10.10.10.1

ATRB port

Subrack ID/slot ID/port ID

0/15/0

Shortest duration for ringing current detection

2

Threshold for ringing current message detection

4

ASPB port

Subrack ID/slot ID/port ID

0/11/0

Rx gain on a port

0

SPC

Local IP address of the IP SPC

10.10.10.2

Local UDP port number of the IP SPC

57000

Remote IP address of the IP SPC

10.10.10.3

Remote UDP port number of the IP SPC

57004

Number of channels occupied by the IP SPC

1

Signaling type of the IP SPC

2833

(Signaling is transmitted in the RFC2833 mode.)

Initial ringing type of the IP SPC

Default value: 4

(This parameter is configured only on the port of the FXS board.)

Cadence ringing type of the IP SPC

Default value: 0

(This parameter is configured only on the port of the FXS board.)

  • Configuration procedure on MSAN_1

    huawei(config)#board add 0/15 ATR
    huawei(config)#board confirm 0/15
    huawei(config)#voip
    huawei(config-voip)#ip address media 10.10.10.2 10.10.10.1
    huawei(config-voip)#quit
    huawei(config)#fxoport
    huawei(config-fxoport)#fxoport attribute set 0/15/0  ring-detect
    min-ontime 2 max-offtime 4
    huawei(config-fxoport)#quit
    huawei(config)#spc
    huawei(spc)#ipspc add 0/15/0/0 local-ip 10.10.10.2 local-port 57000 
    remote-ip 10.10.10.3 remote-port 57004 signal-type 2833 
  • Configuration procedure on MSAN_2

    huawei(config)#board add 0/11 ASP
    huawei(config)#board confirm 0/11
    huawei(config)#voip
    huawei(config-voip)#ip address media 10.10.10.3 10.10.10.1
    huawei(config-voip)#quit
    huawei(config)#pstnport
    huawei(config-pstnport)#pstnport electric set 0/11/0 recvgain 0 
    huawei(config-pstnport)#quit
    huawei(config)#spc
    huawei(spc)#ipspc add 0/11/0/0 local-ip 10.10.10.3 local-port 57004 
    remote-ip 10.10.10.2 remote-port 57000 signal-type 2833 initialring 4 
    cadencering 0
NOTE:
  • The precautions of configuring Tx/Rx gains are shown as follows.
    • You are advised to use default values for Tx gains of PSTN ports and FXO ports on the FXS board on MSAN_2 and those of PSTN ports on the PBX on MSAN_1. Do not change Tx gains of these ports to avoid the scenario in which dial tones cannot be cut because of Tx gain modification.
    • You are advised to set the Rx gain of the PSTN port on the FXS board on MSAN_2 to its maximum 0dB (default value is -7dB), set that of the FXO port on the FXO board to -3dB, and set that of the PSTN port on the PBX on MSAN_1 to -4dB .
    • In actual applications, use parameter recvgain in the fxoport attribute set command to configure the Rx gain of the FXO port and parameter recvgain in the pstnport electric set command to configure the Rx gain of the PSTN port on the FXS board.
  • For details about the process and precautions of configuring ringing current detection parameters on the FXO port, see Ringing and CLIP Services for IP Z Interface Extension Feature.
  • After configuring the port attributes, run the display fxoport attribute command to query the configuring information of port attributes.
  • After configuring the SPCs of the IP Z interface extension, run the display ipspc command to query the configuring information of IP SPCs.
After the configuration takes effect, user A and user B can communicate.
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Updated: 2019-02-22

Document ID: EDOC1100067358

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