- 授权协议: GPLv3
- 开发语言: Java
- 操作系统: Android
- 软件首页: https://code.google.com/p/imsdroid/
- 软件文档: http://code.google.com/p/imsdroid/wiki/Quick_Start
软件介绍
======IMSDroid 是 Android 上的一个高质量的视频 SIP/IMS 客户端。值得关注的特性:
SIP(RFC 3261, 3GPP TS 24.229 Rel-9)
TCP and UDP over IPv4 or IPv6
Signaling Compression, SigComp(RFC 3320, 3485, 4077, 4464, 4465, 4896, 5049, 5112 and 1951)
Enhanced Address Book (XCAP storage, authorizations, presence, ...)
Partial supports for GSMA Rich Communication Suite release 3
Partial supports for One Voice Profile V1.0.0 (GSMA VoLTE)
Partial supports for MMTel UNI (used by GSMA RCS and GSMA VoLTE)
IMS-AKA registration (both AKA-v1 and AKA-v2), Digest MD5, Basic
3GPP Early IMS Security (3GPP TS 33.978)
Proxy-CSCF discovery using DNS NAPTR+SRV
Private extension headers for 3GPP
Service Route discovery
Subscription to reg event package (Honoring network initiated (re/de/un)-registration events)
3GPP SMS Over IP (3GPP TS 23.038, 24.040, 24.011, 24.341 and 24.451)
Voice Call (G729AB1, AMR-NB, iLBC, GSM, PCMA, PCMU, Speex-NB)
Video Call (VP8, H264, MP4V-ES, Theora, H.263, H.263-1998, H.261)
DTMF (RFC 4733)
QoS negotiation using Preconditions (RFC 3312, 4032 and 5027)
SIP Session Timers (RFC 4028)
Provisional Response Acknowledgments (PRACK)
Communication Hold (3GPP TS 24.610)
Message Waiting Indication (3GPP TS 24.606)
Calling E.164 numbers by using ENUM protocol (RFC 3761)
NAT Traversal using STUN2 (RFC 5389) with possibilities to automatically discover the server by using DNS SRV (TURN already implemented and ICE is under tests)
从问题到程序-用Python学编程和计算
裘宗燕 / 机械工业出版社 / 2017-6-1
本书是以Python为编程语言、面向计算机科学教育中的程序设计基础课程与编程初学者的入门教材和自学读物。本书以Python为工具,详细讨论了与编程有关的各方面问题,介绍了从初级到高级的许多重要编程技术。本书特别强调编程中的分析和思考、问题的严格化和逐步分解、语言结构的正确选择、程序结构的良好组织,以及程序的正确和安全。书中通过大量实例及其开发过程,展示了好程序的特征和正确的编程工作方法。此外,书中......一起来看看 《从问题到程序-用Python学编程和计算》 这本书的介绍吧!
