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U1981 is connected to the...

U1981 is connected to the operator. Is it better to use SIP signaling or NO.7 signaling?

Created: Mar 27, 2019 10:06:06Latest reply: Mar 27, 2019 10:13:14 359 5 0 0 0
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U1981 is connected to the telecom operator. Is it better to use SIP signaling or NO.7 signaling for voice service? Which connection is simpler for our internal IP network？

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Mihnea
Created Mar 27, 2019 10:11:34

Hello,

Thank you for posting on our Huawei Forum.

Session Initiation Protocol (SIP) and Signaling System 7 (SS7) are the common protocols used for transmitting voice across networks.

Session Initiation Protocol (SIP) is a protocol developed by IETF MMUSIC Working Group and proposed standard for initiating, modifying, and terminating an interactive user session that involves multimedia elements such as video, voice, instant messaging, online games, and virtual reality. SIP is a text based, signaling protocol similar to HTTP and SMTP , and its used to create, manage and terminate sessions in an IP based network. A session could be a simple two-way telephone call or it could be a collaborative multi-media conference session.

Signaling System 7 (SS7) is architecture for performing signaling in support of the call-establishment, billing, routing, and information-exchange functions of the PSTN, whereas SIP is a protocol which is used for maintaining sessions in VOIP.

SS7 are used to set up the vast majority of the world’s PS****elephone calls, where as SIP in used in IP network.

U1981 supports the following types of trunk:

SIP
PRA
SS7(Voice Data and Signaling Data Sent Through Different Channels)
SS7(Voice Data and Signaling Data Sent Through the Same Channel)
QSIG
R2
AT0
BRI

More details you can find here under Configuring Signaling Data:

https://support.huawei.com/hedex/pages/EDOC1000073292DEE0403M/22/EDOC1000073292DEE0403M/22/resources/U1900/cfgg/u1960_cfgg_00019.html?ft=0&fe=10&hib=5.2.7.3&id=u1960_cfgg_00019&text=Configuring%20Signaling%20Data&docid=EDOC1000073292
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  • x
  • convention：

Recommended answer

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xiaker2012
Created Mar 27, 2019 10:12:55

Dear smith2019 
     If you connect to the carrier, you are advised to use the 2M to connect to the No. 7 signaling. If the SIP is connected to the carrier, the private network address of the u19 and the public network address must be connected to the device for address translation. This makes the networking architecture more complicated.
    Thank you for visiting the forum. If you have any other questions and want to get the answer as soon as possible, please visit iknow.
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  • x
  • convention：
All Answers
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2#
KarimUC
KarimUC Created Mar 27, 2019 10:09:41

SIP trunk is better sir and you can check the configuratio and more info from below link
https://support.huawei.com/hedex/hdx.do?lib=EDOC1000073292DEE0403M&docid=EDOC1000073292&lang=en&v=22&tocLib=EDOC1000073292DEE0403M&tocV=22&id=u1960_cfgg_00020&tocURL=resources%2fU1900%2fcfgg%2fu1960%5fcfgg%5f00020%2ehtml&p=t&fe=1&ui=3&keyword=sip&keyword=trunk&text=Configuring%252Ba%252B%25253Cb%25253ESIP%25253C%25252Fb%25253E%252B%25253Cb%25253ETrunk%25253C%25252Fb%25253E
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  • x
  • convention：
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3#
peter64
peter64 Created Mar 27, 2019 10:11:28

Good day Dear,

SIP signaling is the default for the U1981, so better to use it
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  • x
  • convention：
(0) (0)
4#
Mihnea
Mihnea Created Mar 27, 2019 10:11:34

Hello,

Thank you for posting on our Huawei Forum.

Session Initiation Protocol (SIP) and Signaling System 7 (SS7) are the common protocols used for transmitting voice across networks.

Session Initiation Protocol (SIP) is a protocol developed by IETF MMUSIC Working Group and proposed standard for initiating, modifying, and terminating an interactive user session that involves multimedia elements such as video, voice, instant messaging, online games, and virtual reality. SIP is a text based, signaling protocol similar to HTTP and SMTP , and its used to create, manage and terminate sessions in an IP based network. A session could be a simple two-way telephone call or it could be a collaborative multi-media conference session.

Signaling System 7 (SS7) is architecture for performing signaling in support of the call-establishment, billing, routing, and information-exchange functions of the PSTN, whereas SIP is a protocol which is used for maintaining sessions in VOIP.

SS7 are used to set up the vast majority of the world’s PS****elephone calls, where as SIP in used in IP network.

U1981 supports the following types of trunk:

SIP
PRA
SS7(Voice Data and Signaling Data Sent Through Different Channels)
SS7(Voice Data and Signaling Data Sent Through the Same Channel)
QSIG
R2
AT0
BRI

More details you can find here under Configuring Signaling Data:

https://support.huawei.com/hedex/pages/EDOC1000073292DEE0403M/22/EDOC1000073292DEE0403M/22/resources/U1900/cfgg/u1960_cfgg_00019.html?ft=0&fe=10&hib=5.2.7.3&id=u1960_cfgg_00019&text=Configuring%20Signaling%20Data&docid=EDOC1000073292
View more
  • x
  • convention：
(0) (0)
5#
xiaker2012
xiaker2012 Created Mar 27, 2019 10:12:55

Dear smith2019 
     If you connect to the carrier, you are advised to use the 2M to connect to the No. 7 signaling. If the SIP is connected to the carrier, the private network address of the u19 and the public network address must be connected to the device for address translation. This makes the networking architecture more complicated.
    Thank you for visiting the forum. If you have any other questions and want to get the answer as soon as possible, please visit iknow.
View more
  • x
  • convention：
(0) (0)
6#
Nasr
Nasr HCIE Created Mar 27, 2019 10:13:14

In SS7 a trunk can have maximum 31 or 24 channels , few are for Signaling and remaining for voice or media.
In SIP trunk , there is no physical limit on the number of lines. But concurrent calls can be limit by the underlying IP network bandwidth or from the SIP trunk provider

better to choice the SIP trunk
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  • x
  • convention：
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