CCL Dual Sim GSM Gateway to connect with Telephone Set or PBX

.  Provides a GSM interface to a PBX or a conventional Telephone set

.  Compatible with 2G/ 3G/ 4G SIMs, except Jio

.  Caller ID Generation

.  GSM Signal Strength Indicator

.  STD Code Addition i.e., Direct Local dialling-No need to prefix area code