Your problem is that the GSM 3055 is obsolete. This is a 2G communicator and cell towers in your area no longer support this device. Same with GSM 3060. You will need GSM 3G3070 for communications or the GSM 3G2060R interactive unit for use with smart phones.
Answers & Comments
Your problem is that the GSM 3055 is obsolete. This is a 2G communicator and cell towers in your area no longer support this device. Same with GSM 3060. You will need GSM 3G3070 for communications or the GSM 3G2060R interactive unit for use with smart phones.
HSPA 3G Universal Cellular Alarm Communicator
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