YD/T 1657.2-2007 English PDF

US$879.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
YD/T 1657.2-2007: Technical Specification for the Proxy Supporting Network Address Translation/Firewall Traverse of Multimedia Services. Part 2: SIP Proxy
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YD/T 1657.2-2007	879	Add to Cart	5 days	Technical Specification for the Proxy Supporting Network Address Translation/Firewall Traverse of Multimedia Services. Part 2: SIP Proxy	Valid

Similar standards

JT/T 1076   YD/T 1447   YD/T 1465   YD/T 1652   YD/T 2543   YD/T 1651   

Basic data

Standard ID: YD/T 1657.2-2007 (YD/T1657.2-2007)
Description (Translated English): Technical Specification for the Proxy Supporting Network Address Translation/Firewall Traverse of Multimedia Services. Part 2: SIP Proxy
Sector / Industry: Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard: M32
Classification of International Standard: 33.040.40
Word Count Estimation: 30,356
Date of Issue: 2007-07-20
Date of Implementation: 2007-12-01
Regulation (derived from): MIIT Science [2007] No. 343
Issuing agency(ies): Ministry of Information Industry of the People's Republic of China
Summary: This standard specifies the IPv4 protocol support multimedia services network address translation/firewall (NAT/FW) traversal H. 323 proxy device in the network location, the basic functional requirements, interface requirements, protocol requirements, address requirements, communication processes, performance requirements, quality of service requirements, reliability requirements, power and ground, and environmental requirements. This standard applies to IPv4 protocol support multimedia services NAT/FW traversal of H. 323 devices.

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YD/T 1657.2-2007_English be delivered?

Answer: Upon your order, we will start to translate YD/T 1657.2-2007_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of YD/T 1657.2-2007_English with my colleagues?

Answer: Yes. The purchased PDF of YD/T 1657.2-2007_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.