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Cabling Guide 

 

GSM Instructions 

Step 1 – Activate Your Wireless Account 

Please see the wireless account Activation Notices located on the CD if you need 
to activate your account. 

Phone Numbers: 

Each channel will have its own unique phone number. The 

phone number may simply be given to you by your wireless service provider or it 
may be on the SIM card or both. Wireless provider implementations may vary. 

Step 2 – Installing the SIM Cards 

The MultiVOIP GSM requires the power supply connection to begin operation.  
It also requires a SIM card (Subscriber Identity Module) to operate on a GSM 
network. To install the SIM cards, do the following: 

1. 

Remove the three highlighted screws from the back as shown below. 

 

2. 

Slide the cover forward and up to remove it. 

3. 

Insert the SIM cards into the units at the front of the MVPGSM. 

 

4. 

Verify that the SIM cards fit into their holders properly and then replace 

the cover. 

Step 3 – Signal Strength 

Before final placement or mounting, ensure that the wireless signal strength is 
strong enough for the chosen area. To find your signal strength, look at the 
LED indicators on the front panel. If the first indicator is lit (“one bar”), there is 
sufficient signal strength for proper operation. If two or three are lit (two or 
three “bars”), then there is good signal strength and operation will not be 
impaired. 

 

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Multi-Tech Systems, Inc. 

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