Specifications

Slot 2 is for Analog/GSM Modules only

If you want to add optional feature,please kindly inform me to change the price.

Comparison Table
Item		U20	U50	U100
System Capacity	Concurrent Calls	10(Max)	20(Max)	80(Max)
	Extension Users	30	100	500
	Voicemail and Recording	21,000 mins (.gsm)	21,000 mins (.gsm)	2,500,000 mins(.gsm)
		3000 mins (.wav)	3000 mins (.wav)	270,000 mins (.wav)
Hardware Capacity	SDRAM	128MB DDR2	256MB DDR2	2GB DDR3
	Memory (default)	4GB SD card	4GB SD card	500GB HDD or 32GB SSD
Power Supply	Input	AC 100-240V	AC 100-240V	AC 100-240V
	Output	DC 12V/1A	DC 12V/2A	N/A
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Item

1. We Accept Alipay, West Union, TT. All Major Credit Cards Are Accepted Through Secure Payment Of Processor ESCROW.
2. Payment Must be Made Within 3 Days Of Order ,If You Cannot Checkout Immediately After Auction Close ,Please Wait For A Few Minutes & Retry.
3. When You Make Payment Though Escrow ,Your Money Is Deposited Securely In Your Account.
4. Money Only Released to Us After You Confirm The Delivery.

1. We Ship All Items Worldwide Within 5~7 Working Days(Except Holiday), We Will Choose One Of Them According to Different Countries.

   So If You Have Specific Shipping Requirement ,Please Tell Us Before Shipping.

2. Our Price Do Not Include Taxes ,VAT or Other Hidden Charges .To Insure You pay for Minimum Tax,We will Declare Your Goods As A Gift With Lower Item Value. Please inform Us In Advance If You Have Requirements for Item Value Before Shipping.
3. We Ship To AliExpress's Address Only .Please Make Sure Your Address In AliExpress Is The Right Shipping Address !

1. All Stuff Through Strict Test Before Shipping .And We Guarantee It's Good ,Please Make Sure The Package Is In Good Situation When You Signature It.
2. After You Got The Items ,If You Have Any Problems With The Goods , Please Contact Us Anytime With No Hesitate Instead Of Open A Dispute.We Will Reply You Within 12 Hours ,And We Will Try Our Best To Help you to Solve Your Questions or Problems.
3. If You Cannot Get The Goods Within 50 Days , Please Let Us Know And We Will Refund All Your Payment.
4. Our Service Purpose Is To Make Every Customer Have A Good Shopping Experience.

• If You Are Satisfied With Our Item & Service, Please Give Us A Positive Feedback & A 5 Star Review,
  Which Will Give Bring A Better Develop Chance To Our Shop , And We Will Thank You And Try Harder To Service You Better.
• If You Are Unhappy With Our Service Or Any Other Problems , Please Contact Us Before Leaving Feedback & Open A Dispute,
  We Will Resolve The Issue Immediately!
• It Will Be Much Appreciated If You Have Any Good Suggestions.

• If You Have High Quantity Requirement , Please Contact Us Directly To Get Discounts.
• If You Have Any Good Cooperation Plan, Please Fell Free To Contact Us , We are Willing To Talk With You And Build A Good & Long Cooperation.