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3GPP (CT3)
TS 09.07














General Requirements on Interworking between the Public Land Mobile Network (PLMN) and the ISDN or PSTN

(P) GSM Rel-98 v7.2.0    1999/12    68 p.
(P) GSM Rel-97 v6.2.0    1999/12    62 p.
(P) GSM Rel-96 v5.10.1    2000/07    68 p.
(P) GSM Phase-2 v4.13.1    1999/03    61 p.
(P) GSM Phase-1 v3.10.0    1995/01    54 p.

Rapporteur:  BELLING, Thomas
Descendant(s):  TS 29.007    

This TS identifies the Mobile services Switching Centre/Interworking Functions (MSC/IWFs) and requirements to support interworking between:
  • PLMN and PSTN
  • PLMN and ISDN
It is not possible to treat ISDN and PSTN as one type of network, even when both ISDN and PSTN subscribers are served by the same exchange because of the limitations of the PSTN subscribers access i.e. analogue connection without D channel signalling.

Within this TS, the requirements for voice and non voice (data) calls are considered separately.

1   Scope   PDF-p. 7
2   References
3   Definitions and abbreviations   PDF-p. 9
4   Introduction   PDF-p. 11
5   Void
6   Network Characteristics   PDF-p. 12
7   Interworking classifications
8   Compatibility and subscription checking   PDF-p. 16
9   Interworking to PSTN
9.1   Speech Calls
9.2   Data Calls
9.2.1   Network interworking mobile originated   PDF-p. 17
9.2.2   Network Interworking Mobile terminated PSTN Originated
9.2.3   Transparent service support   PDF-p. 22
9.2.4   Non-transparent service support
9.2.5   DTE/DCE interface (Filtering)   PDF-p. 31
9.3   Interworking Alternate Speech / Data Calls   PDF-p. 32
10   Interworking to the ISDN
10.1   Speech Calls
10.2   Data Calls   PDF-p. 34
10.2.1   Network interworking mobile originated
10.2.2   Network interworking mobile terminated
10.2.3   Transparent service support (see GSM 03.10)
10.2.4   Non-transparent service support (See GSM 03.10)
10.2.5   DTE/DCE interface (Filtering)
10.3   Interworking Alternate speech data calls
11   Frame Synchronization
12   Call Clearing
A   SDLs   PDF-p. 64
B   General mapping of V.24 circuits to channel status bits   PDF-p. 66
C   Change history   PDF-p. 67