Can I use a sim card in this model

This model does not support the use of a SIM card. You would need an upstream router with SIM support to use a SIM card FTTech

Any grand stream models to recommend for 50 users only

Grandstream specs for the UCM6301 PBX show: Users: 500 Concurrent calls (G.711): 75 Max concurrent SRTP calls (G.711): 50 This PBX should work for 50 users without any issues. Thanks, FTTech

.I have 6 incoming phone lines but this system has 2 fxs ports could use any adapter or card on this device to have my 6 land phone lines attached ?

in case you need attach 8 phones to your system, you need to find the fxs adaters, most of them 2 ports for 8 phones you need 4 adapters, some come with 8 ports.

Grandstream Ucm6301 Ip Pbx 1 Fxo Port 1 Fxs Port

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

📡 Power your enterprise with seamless, secure, and scalable communication.

ROCK SOLID SECURITY - Secure boot, unique certificates, and randomized passwords protect your communications 24/7.
SEAMLESS SCALABILITY - Effortlessly supports up to 3000 users and 450 simultaneous calls—grow without limits.
CLOUD READY MANAGEMENT - GDMS cloud platform and API integrations streamline remote monitoring and CRM connectivity.
PLUG PLAY SIMPLICITY - Zero-configuration provisioning for Grandstream SIP endpoints means instant setup and minimal downtime.
UNIFIED COLLABORATION HUB - Built-in conferencing and Wave app integration keep your team connected anywhere, anytime.

The Grandstream UCM6301 IP PBX is a high-performance unified communication system designed for professional environments, supporting up to 3000 users and 450 concurrent calls. It features built-in conferencing, multi-platform Wave app integration, advanced security protocols, and flexible deployment options including desktop or wall-mount. With three Gigabit PoE+ network ports, cloud management via GDMS, and API support for third-party integrations, it delivers a comprehensive, scalable, and secure communication solution tailored for modern businesses.

Specifications

ASIN	B08NFJGSS9
Batteries	1 Unknown batteries required.
Best Sellers Rank	#91,051 in Office Products ( See Top 100 in Office Products ) #5 in PBX Phones & Systems
Customer Reviews	4.5 4.5 out of 5 stars (86)
Date First Available	January 1, 2021
Item Weight	1.32 pounds
Item model number	GS-UCM6301
Language	English
Manufacturer	Grandstream
National Stock Number	0
Product Dimensions	10.63 x 6.89 x 1.42 inches

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