MobileTerminatedCall » History » Version 1
laforge, 03/15/2018 09:51 PM
| 1 | 1 | laforge | h1. MobileTerminatedCall |
|---|---|---|---|
| 2 | |||
| 3 | This illustrates a Mobile Terminated call originating from anywhere on the planet, arriving via SIP on the G-MSC in the "core" network. |
||
| 4 | |||
| 5 | {{mscgen_link() |
||
| 6 | msc { |
||
| 7 | hscale = 2; |
||
| 8 | ms [label="MS (village)"], vlr [label="MSC/VLR (village)"], osip [label="osmo-sip-connector (village)"], gmsc [label="G-MSC (core)"], orig [label="Originator (world)"]; |
||
| 9 | gmsc <= orig [label="SIP INVITE / ISUP IAM"]; |
||
| 10 | vlr <= gmsc [label="mDNS query (dest MSISDN)"]; |
||
| 11 | vlr => gmsc [label="mDNS response (OsmoSip IP)"]; |
||
| 12 | osip <= gmsc [label="SIP INVITE"]; |
||
| 13 | vlr <= osip [label="MNCC_SETUP_REQ"]; |
||
| 14 | ms <= vlr [label="Paging"]; |
||
| 15 | ms <= vlr [label="CC SETUP"]; |
||
| 16 | ...; |
||
| 17 | ...; |
||
| 18 | ...; |
||
| 19 | |||
| 20 | } |
||
| 21 | }} |
||
| 22 | |||
| 23 | The same situation applies if a call is delivered from one village/site to another village/site. |
||
| 24 | |||
| 25 | {{mscgen_link() |
||
| 26 | msc { |
||
| 27 | hscale = 2; |
||
| 28 | ms [label="MS (village B)"], vlr [label="MSC/VLR (village B)"], osip [label="osmo-sip-connector (village B)"], gmsc [label="osmo-sip-connector (village A)"], orig [label="Originator (village A)"]; |
||
| 29 | gmsc <= orig [label="SIP INVITE / ISUP IAM"]; |
||
| 30 | vlr <= gmsc [label="mDNS query (dest MSISDN)"]; |
||
| 31 | vlr => gmsc [label="mDNS response (OsmoSip IP)"]; |
||
| 32 | osip <= gmsc [label="SIP INVITE"]; |
||
| 33 | vlr <= osip [label="MNCC_SETUP_REQ"]; |
||
| 34 | ms <= vlr [label="Paging"]; |
||
| 35 | ms <= vlr [label="CC SETUP"]; |
||
| 36 | ...; |
||
| 37 | ...; |
||
| 38 | ...; |
||
| 39 | |||
| 40 | } |
||
| 41 | }} |
