Search
Now showing items 1-2 of 2
ETSI ES 202 737: Speech and multimedia Transmission Quality (STQ); Transmission requirements for narrowband VoIP terminals (handset and headset) from a QoS perspective as perceived by the user - V1.3.2
Abstract: The present document provides speech transmission performance requirements for 4 kHz narrowband VoIP handset and headset terminals; it addresses all types of IP based terminals, including wireless and soft phones.
In ...
In ...
B86: Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
Abstract: This specification covers commercial zinc, zinc-aluminum castings and continuous cast bar stock. Seven alloy compositions are specified and designated: Alloy 3; Alloy 7; Alloy 5; Alloy 2; ZA-8; ZA-12; ZA-27. The metal used ...