> ⚠️ **本栏目已于 2026-08-28 起停止更新**（主题空间小、重复率高），存量文章仍可阅读。

# 语音与IMS

VoNR、IMS架构、SIP/SDP协议、EPS Fallback、5G语音演进。

## 最新文章

> **翻页：** | 首页（当前） | [下一页](/telecom/3gpp/ims/page-2.md) | [末页](/telecom/3gpp/ims/page-2.md) | `第 1 / 2 页，共 54 篇`

- [VoNR呼叫建立前提机制解读](/telecom/3gpp/ims/2026-08-28-telecom-3gpp-r6-0508.md) (2026-08-28)
- [IMS第三方注册与iFC服务触发拆解](/telecom/3gpp/ims/2026-07-10-telecom-3gpp-1530.md) (2026-07-10)
- [IMS去注册机制全链拆解](/telecom/3gpp/ims/2026-07-10-telecom-3gpp-0523.md) (2026-07-10)
- [5G P-CSCF发现机制ePCO信令全链拆解](/telecom/3gpp/ims/2026-07-09-telecom-3gpp-r2-2042.md) (2026-07-09)
- [IMS会话修改机制拆解](/telecom/3gpp/ims/2026-07-09-telecom-3gpp-r2-2041.md) (2026-07-09)
- [5G紧急呼叫E-CSCF与LRF拆解](/telecom/3gpp/ims/2026-07-09-telecom-3gpp-r2-1659.md) (2026-07-09)
- [VoNR被叫会话可靠响应拆解](/telecom/3gpp/ims/2026-07-09-telecom-3gpp-r2-1041.md) (2026-07-09)
- [VoNR主叫预条件与资源预留机制](/telecom/3gpp/ims/2026-07-08-telecom-3gpp-r3-1225.md) (2026-07-08)
- [IMS注册鉴权AKA全链拆解](/telecom/3gpp/ims/2026-07-08-telecom-3gpp-r3-0006.md) (2026-07-08)
- [VoNR会话定时器刷新机制拆解](/telecom/3gpp/ims/2026-07-03-telecom-3gpp-r2-2026.md) (2026-07-03)
- [SIP会话定时器刷新与超时拆解](/telecom/3gpp/ims/2026-07-03-telecom-3gpp-r2-2024.md) (2026-07-03)
- [IMS S-CSCF选择与会话定位拆解](/telecom/3gpp/ims/2026-07-03-telecom-3gpp-r2-1402.md) (2026-07-03)
- [IMS注销信令全链拆解](/telecom/3gpp/ims/2026-07-03-telecom-3gpp-r2-0457.md) (2026-07-03)
- [VoNR会话释放信令全链拆解](/telecom/3gpp/ims/2026-07-03-telecom-3gpp-r2-0456.md) (2026-07-03)
- [IMS紧急呼叫信令全链拆解](/telecom/3gpp/ims/2026-07-02-telecom-3gpp-r3-2143.md) (2026-07-02)
- [VoNR呼叫Rx接口QoS授权拆解](/telecom/3gpp/ims/2026-07-02-telecom-3gpp-r3-2142.md) (2026-07-02)
- [eSRVCC语音连续性信令拆解](/telecom/3gpp/ims/2026-07-02-telecom-3gpp-r3-1800.md) (2026-07-02)
- [IMS iFC业务触发信令拆解](/telecom/3gpp/ims/2026-07-02-telecom-3gpp-r3-1757.md) (2026-07-02)
- [VoNR IMS注册信令全链拆解](/telecom/3gpp/ims/2026-07-02-telecom-3gpp-r3-0529.md) (2026-07-02)
- [IMS初始注册信令全链拆解](/telecom/3gpp/ims/2026-07-02-telecom-3gpp-r3-0528.md) (2026-07-02)
- [VoNR预条件机制信令全链拆解](/telecom/3gpp/ims/2026-07-02-telecom-3gpp-r3-0107.md) (2026-07-02)
- [eSRVCC语音连续性信令全链拆解](/telecom/3gpp/ims/2026-06-28-telecom-3gpp-1649.md) (2026-06-28)
- [IMS会话定时器刷新机制拆解](/telecom/3gpp/ims/2026-06-28-telecom-3gpp-1647.md) (2026-06-28)
- [IMS第三方注册与iFC拆解](/telecom/3gpp/ims/2026-06-28-telecom-3gpp-0227.md) (2026-06-28)
- [5G IMS被叫T-ADS域选择拆解](/telecom/3gpp/ims/2026-06-27-telecom-3gpp-r2-1514.md) (2026-06-27)
- [5G IMS紧急呼叫E-CSCF路由拆解](/telecom/3gpp/ims/2026-06-26-telecom-3gpp-r3-2203.md) (2026-06-26)
- [EPS语音回落信令全链拆解](/telecom/3gpp/ims/2026-06-26-telecom-3gpp-r3-1750.md) (2026-06-26)
- [VoNR IMS注册全链信令与IPSec鉴权拆解](/telecom/3gpp/ims/2026-06-26-telecom-3gpp-r3-1748.md) (2026-06-26)
- [VoNR主叫INVITE与precondition拆解](/telecom/3gpp/ims/2026-06-26-telecom-3gpp-r3-1058.md) (2026-06-26)
- [IMS注册事件包reg订阅机制拆解](/telecom/3gpp/ims/2026-06-22-telecom-3gpp-2104.md) (2026-06-22)
- [VoNR主叫INVITE会话建立信令拆解](/telecom/3gpp/ims/2026-06-22-telecom-3gpp-1537.md) (2026-06-22)
- [IMS紧急呼叫E-CSCF与LRF拆解](/telecom/3gpp/ims/2026-06-20-telecom-3gpp-r3-0630.md) (2026-06-20)
- [eSRVCC域切换信令拆解](/telecom/3gpp/ims/2026-06-20-telecom-3gpp-r3-0629.md) (2026-06-20)
- [IMS iFC业务触发与前转信令拆解](/telecom/3gpp/ims/2026-06-20-telecom-3gpp-r3-0218.md) (2026-06-20)
- [IMS业务触发iFC机制拆解](/telecom/3gpp/ims/2026-06-20-telecom-3gpp-r3-0214.md) (2026-06-20)
- [VoNR会话Precondition信令拆解](/telecom/3gpp/ims/2026-06-19-telecom-3gpp-r3-0524.md) (2026-06-19)
- [5G紧急呼叫E-CSCF定位路由拆解](/telecom/3gpp/ims/2026-06-16-telecom-3gpp-2039.md) (2026-06-16)
- [IMS主叫INVITE会话建立全链拆解](/telecom/3gpp/ims/2026-06-15-telecom-3gpp-r2-2352.md) (2026-06-15)
- [VoNR呼叫前提条件机制拆解](/telecom/3gpp/ims/2026-06-15-telecom-3gpp-r2-2351.md) (2026-06-15)
- [VoNR IMS注册三段链与AKA鉴权全链拆解](/telecom/3gpp/ims/2026-06-15-telecom-3gpp-r2-2037.md) (2026-06-15)
- [IMS-AKA鉴权挑战与IPsec安全联盟拆解](/telecom/3gpp/ims/2026-06-15-telecom-3gpp-r2-2034.md) (2026-06-15)
- [5G IMS第三方注册与业务触发机制拆解](/telecom/3gpp/ims/2026-06-10-telecom-3gpp-1241.md) (2026-06-10)
- [5G VoNR EPS Fallback语音回退信令流全链拆解](/telecom/3gpp/ims/2026-06-03-telecom-3gpp-r2-1147.md) (2026-06-03)
- [VoNR IMS注册与P-CSCF发现信令拆解](/telecom/3gpp/ims/2026-06-02-telecom-3gpp-r3-2134.md) (2026-06-02)
- [VoNR SIP INVITE呼叫建立与QoS资源预留信令流拆解](/telecom/3gpp/ims/2026-06-02-telecom-3gpp-r2-2127.md) (2026-06-02)
- [VoNR SIP INVITE与Precondition资源预留拆解](/telecom/3gpp/ims/2026-05-27-telecom-3gpp-r3-1620.md) (2026-05-27)
- [VoNR IMS注册双轮鉴权与IPSec协商拆解](/telecom/3gpp/ims/2026-05-27-telecom-3gpp-r3-1619.md) (2026-05-27)
- [IMS注册鉴权四步信令与AKA博弈](/telecom/3gpp/ims/2026-05-23-telecom-3gpp-1521.md) (2026-05-23)
- [IMS re-INVITE会话修改与SDP博弈](/telecom/3gpp/ims/2026-05-23-telecom-3gpp-0517.md) (2026-05-23)
- [VoNR会话定时器422协商与刷新博弈](/telecom/3gpp/ims/2026-05-23-telecom-3gpp-0516.md) (2026-05-23)