Mobile Support

General Mobile Service Information

VoIPex utilises the Optus Mobile network. For coverage maps please see here:

3G single band information

Optus 3G single band service is part of the Optus Network and refers to 3G 2100MHz coverage. You will require a 3G 2100MHz compatible device to access the 3G single band coverage. A number of factors may affect coverage including location and demand on the network. Outside the 3G single band area, you will require a device capable of accessing GSM 900MHz. When within a 3G single band coverage area, your call or data session may also access the GSM/GPRS network.

3G dual band information

Optus 3G dual band service is part of the Optus Network and refers to 3G 2100MHz/900MHz coverage. You will require an 3G 2100Mhz/900Mhz compatible device to access the 3G dual band coverage. A number of factors may affect coverage including location, demand on the network and use of external antenna. When within a 3G dual band coverage area, your call or data session may also access the GSM/GPRS network.

4G network information

Optus 4G service is part of the Optus Network and refers to 4G 1800Mhz coverage. You will require a 4G 1800MHz compatible device to access 4G coverage. Outside 4G coverage areas, your device will access the 3G Dual Band network coverage. A number of factors may affect coverage including location, demand on the network and use of external antenna. When within a 4G coverage area, your call or data session may also access the 3G Dual Band network.

SIM card activation

To activate the SIM card you received from VoIPex just click HERE and complete the activation form. Or you can call our staff on (02) 4957 8997 and activate the SIM card over the phone.

SIM card replacement

Sometimes things happen and you need to replace your SIM card.
To do so just contact us on sales@voipex.com.au, or call our staff on (02) 4957 8997 and we can arrange to send you a new SIM card.