Vpmoct128 Echo Cancellation Module For Te220,te405,te420 Digital Asterisk Card

US $450

shenzhen, China
Jan 30th

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VPMOCT128 Echo cancellation Module for TE220,TE210,TE405,TE410,TE420 digital asterisk card Specifications Echo Cancellation Modules For Asterisk users connecting to the PSTN, echo with the voice communication is possible and can be managed effectively with echo cancellation modules. Asterisk has a range of software-based Open Source echo cancellation routines that are moderately effective in eliminating the echo that most Asterisk users experience. However, there are cases in which these algorithms are not effective. To combat this, Digium offers a line of DSP-based echo cancellation modules for all the Digium analog and digital (T1/E1/J1) cards with the VPMOCT series modules. The modules and the Digium telephony cards they support are as follows: VPMOCT256 Up to 256 channels Compatible with the following Digital card:TE820F (bundled as TE820BF) VPM128 Up to 128 channels Compatible with the following Digital cards:4-port TE435 (bundled as 1TE435BF) VPMOCT128 Up to 128 channels Compatible with the following Digital cards:TE405PF (bundled as TE407PF) TE410PF (bundled as TE412PF) TE420F (bundled as TE420BF) VPM064 Up to 64 channels Compatible with the following Digital cards:2-port TE235 (bundled as 1TE235BF) VPMOCT064 Up to 64 channels Compatible with the following Digital cards:TE205PF (bundled as TE207PF) TE210PF (bundled as TE212PF) TE220F (bundled as TE220BF) VPM032 Up to 32 channels Compatible with the following Analog cards:4-port A4A 4-port A4B 8-port A8A 8-port A8B VPMOCT032 Up to 32 channels Compatible with the following Analog cards:4-port TDM410 4-port AEX410 8-port TDM800P 8-port AEX800 24-port TDM2400P 24-port AEX2400 Compatible with the following Digital cards:1-port TE121 1-port TE122 Packing: 1 * VPMOCT128 Echo cancellation Module International Buyers – Please Note: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. We usually declare the items to be testing samples/gifts, low value to avoid import duties. So if you have some special demand, please contact us by ebay message.TKS! Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying. We accept PayPal only. We only ship item to your PayPal verified address. Payment must be received within 3 Days from the date of purchase. Please leave note in PayPal when making the payment if you have any special request (colors/size). Orders will be processed instantly and dispatched in same day normally, so we do NOT accept any Email/Message note before or after you place orders. All the items will be dispatched within 1 business day by NL post Airmail or singpost airmail after the payment is clear. Items will arrive in 7-25 business days. The arrival time depends on some factors and different areas: Please choose some local sellers, if you cannot wait patiently in the shipping time we declared. Once you purchase, please DON’T leave negative or neutral feedback if you haven’t received item in 30 days, because we have mentioned the shipping time repeatedly. Customs duty is obligation and liability of a citizen in your country, so buyer should be responsible for any tax and custom duty incurred. Generally, the delay or failure delivery is sometimes caused by the policy of different customs. For example, Laser Pointer is unacceptable in some countries. Therefore, please double check your local customs policy carefully before purchase. Or, we will NOT be responsible for any failure delivery related destination customs issue. All the products we are selling include factory warranty, don’t cover items that have been abused, burned and damaged in any form. Please contact us via eBay Message if you have NOT received item in 30 days, we will check it with post office, and then resend or refund any missing item. In the unlikely event that your product is faulty in anyway, you must contact us ASAP and then return it within 14 Days of receipt. The postage and packaging fee will NOT be refunded. We will not be responsible for the delivery or insurance charges incurred in returning item back to us. If you return an item purchased from us, it must be back in Factory Condition. This includes packaging, inserts, manuals etc. Please allow up to 5 Working Days for us to process your returned item. Welcome to our store! We are Store, a professional worldwide wholesale company, with our own factory located in China, feel free to contact us for wholesale discount, when you want to buy more! You can contact us by leaving us an eBay message, or email us. We'll reply to your query within 24 hours from Monday to Friday except holidays. 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Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Type	Echo cancellation Module
Features	for TE220,TE210,TE405,TE410,TE420
Model	VPMOCT128
Country/Region of Manufacture	China