![Ejointech GoIP 16 Ports 4G VoIP GSM Gateway (IMEI Changeable, 512 SIM Card, SIP & H.323, VPN PPTP) SMS Voice VOIP Gateway[ACOM516L-512]](http://ejointech.shop/cdn/shop/products/516-512-9_ce7d3b01-e4f1-4c6d-9a04-59a2e9b30cfb.jpg?v=1679022421&width=1445)
![Ejointech GoIP 16 Ports 4G VoIP GSM Gateway (IMEI Changeable, 512 SIM Card, SIP & H.323, VPN PPTP) SMS Voice VOIP Gateway[ACOM516L-512]](http://ejointech.shop/cdn/shop/products/516-512-16.jpg?v=1679022421&width=1445)
![Ejointech GoIP 16 Ports 4G VoIP GSM Gateway (IMEI Changeable, 512 SIM Card, SIP & H.323, VPN PPTP) SMS Voice VOIP Gateway[ACOM516L-512]](http://ejointech.shop/cdn/shop/products/516-512-6_27629968-acd2-494c-8bd9-5936c4aff260.jpg?v=1679022420&width=1445)
![Ejointech GoIP 16 Ports 4G VoIP GSM Gateway (IMEI Changeable, 512 SIM Card, SIP & H.323, VPN PPTP) SMS Voice VOIP Gateway[ACOM516L-512]](http://ejointech.shop/cdn/shop/products/516-512-8_09c8d805-da2e-4b6f-8280-3af5f05ea259.jpg?v=1679022420&width=1445)
![Ejointech GoIP 16 Ports 4G VoIP GSM Gateway (IMEI Changeable, 512 SIM Card, SIP & H.323, VPN PPTP) SMS Voice VOIP Gateway[ACOM516L-512]](http://ejointech.shop/cdn/shop/products/516-512-11_9c26d5f4-3625-4424-bf7c-2449f78ac683.jpg?v=1679022421&width=1445)
![Ejointech GoIP 16 Ports 4G VoIP GSM Gateway (IMEI Changeable, 512 SIM Card, SIP & H.323, VPN PPTP) SMS Voice VOIP Gateway[ACOM516L-512]](http://ejointech.shop/cdn/shop/products/516-512-14_bf746650-3ca6-442e-ae7c-577e9d510567.jpg?v=1679022421&width=1445)
![Ejointech GoIP 16 Ports 4G VoIP GSM Gateway (IMEI Changeable, 512 SIM Card, SIP & H.323, VPN PPTP) SMS Voice VOIP Gateway[ACOM516L-512]](http://ejointech.shop/cdn/shop/products/516-512-55.jpg?v=1679022421&width=1445)
Description
Model No: ACOM516L-512
Description: 16 Ports 512 Sim Slots 4G LTE VoIP Gateway
GSM/WCDMA/LTE support
Voice over LTE (VoLTE)
Hot Swappable SIM Cards
Compatible with mainstream VoIP platform
Mobility Extension, never miss a call
SMS sending & receiving, SMS API
Credit Limit management
Auto CLIP
Software Details
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SMS Feature
* SMS Send, Receive and Forward
* SMS Inbox/Outbox
* Bulk SMS /MMS
* AT Command , USSD
* SMS Format: PDU/TXT
* PIN Code Management
* CDMA Delay Answer
* GSM Polarity Reversal
* Carrier Selection
* Caller ID Hidden(need SIM Card support)