> For the complete documentation index, see [llms.txt](https://tmediadocs.telcobridges.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tmediadocs.telcobridges.com/products/tmedia/installation/licensing.md).

# Licensing

## TMG3200

License options for the TMG3200 family. Software upgrades consisting of installing a license key file on the system.

### Trunks

#### 64 E1/T1/J1 TDM mezzanine

* E1/T1/J1: From 16 to 64 E1/T1/J1 in steps of 8 trunks, software upgradeable. When upgrading over 32, installation of an additional patch panel is required.

#### 16 RJ48 E1/T1/J1 TDM mezzanine

* E1/T1/J1: From 4 to 16 with 4 trunks steps, software upgradeable.

#### 3 DS3 TDM mezzanine

* T1/J1 : From 16 to 84 in steps of 8 trunks, software upgradeable.
* E1 : From 16 to 63 in steps of 8 trunks, software upgradeable.

#### 1 STM1 TDM mezzanine

* T1/J1 : From 16 to 84 in steps of 8 trunks, software upgradeable.
* E1 : From 16 to 63 in steps of 8 trunks, software upgradeable.

**TDM Mezzanine Hardware Upgrade Path**

It is possible to do field upgrade/downgrade of the TDM mezzanine from/to the following form factors:

* 16 RJ48 E1/T1/J1 TDM mezzanine
* 64 E1/T1/J1 TDM mezzanine
* 3 DS3 TDM mezzanine
* 1 STM1 TDM mezzanine

Allowing a smooth upgrade path from 4 E1 up to 1 full STM1 or 3 DS3.

### Signaling Protocol

ISUP, SIP, R2, ISDN and SIGTRAN are all software upgradeable.

Note:R2 only supported on 64 E1/T1/J1 and 16 E1/T1/J1 mezzanines

#### SS7 MTP2 Links

From 1 to 64 links per TMG unit. Up to 256 SS7 links per system.

#### SIGTRAN M3UA/M2PA/M2UA association

* M3UA : From 1 to 20 associations, in step of 1 association, software upgradeable.
* M2UA : From 1 to 64 associations, in step of 1 association, software upgradeable.
* M2PA : From 1 to 64 associations, in step of 1 association, software upgradeable.

### VoIP

Hardware upgrades, field upgradable. The TMG3200 have 4 VoIP mezzanine slots. We have four different VoIP mezzanine capacity available:

* VoIP-1 equals 128 universal channels.
* VoIP-2 equals 256 universal channels.
* VoIP-3 equals 384 universal channels.
* VoIP-4 equals 512 universal channels. Any mix of the different VoIP mezzanine is possible. We recommend the use of VoIP 4 to better protect the end-user investment (at least when using 32 E1 and more).


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