RFC 2833 Job Trends in Guildford

Request for Comments: 2833 - RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
Surrey > Guildford

The table below provides summary statistics and salary benchmarking for jobs advertised in Guildford requiring RFC 2833 skills. It covers permanent job vacancies from the 6 months leading up to 17 January 2026, with comparisons to the same periods in the previous two years.

6 months to
17 Jan 2026
Same period 2025 Same period 2024
Rank 31 - -
Rank change year-on-year - - -
Permanent jobs citing RFC 2833 1 0 0
As % of all permanent jobs in Guildford 0.48% - -
As % of the Libraries, Frameworks & Software Standards category 2.94% - -
Number of salaries quoted 1 0 0
10th Percentile - - -
25th Percentile £57,500 - -
Median annual salary (50th Percentile) £60,000 - -
75th Percentile £62,500 - -
90th Percentile - - -
Surrey median annual salary £60,000 - -

All Software Libraries and Frameworks
Guildford

RFC 2833 falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring technical specification, industry standards, software libraries and framework skills in Guildford.

Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 34 53 33
As % of all permanent jobs advertised in Guildford 16.35% 41.09% 19.19%
Number of salaries quoted 33 25 32
10th Percentile £48,750 £39,850 £37,900
25th Percentile £50,000 £46,250 £44,375
Median annual salary (50th Percentile) £60,000 £55,000 £56,250
Median % change year-on-year +9.09% -2.22% +2.27%
75th Percentile £100,000 £77,500 £69,063
90th Percentile £107,250 £82,500 £79,625
Surrey median annual salary £52,500 £62,500 £55,000
% change year-on-year -16.00% +13.64% -12.00%

RFC 2833
Job Vacancy Trend in Guildford

Historical trend showing the proportion of permanent IT job postings citing RFC 2833 relative to all permanent IT jobs advertised in Guildford.

RFC 2833 job vacancy trend in Guildford

RFC 2833
Salary Trend in Guildford

Salary distribution trend for jobs in Guildford citing RFC 2833.

Salary distribution trend for jobs in Guildford citing RFC 2833

RFC 2833
Co-Occurring Skills & Capabilities in Guildford by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Cloud Services
1 1 (100.00%) GitHub
1 1 (100.00%) GitHub Actions
Communications & Networking
1 1 (100.00%) HTTP
1 1 (100.00%) RTP
1 1 (100.00%) Unified Communications
1 1 (100.00%) VoIP
1 1 (100.00%) Wireshark
Database & Business Intelligence
1 1 (100.00%) MongoDB
1 1 (100.00%) MySQL
Development Applications
1 1 (100.00%) Git
General
1 1 (100.00%) Social Skills
Job Titles
1 1 (100.00%) Developer
1 1 (100.00%) Python Developer
Libraries, Frameworks & Software Standards
1 1 (100.00%) Django
1 1 (100.00%) Flask
1 1 (100.00%) FreeSWITCH
1 1 (100.00%) Jinja
1 1 (100.00%) OAuth
1 1 (100.00%) OAuth2
1 1 (100.00%) pytest
1 1 (100.00%) REST
1 1 (100.00%) SQLAlchemy
1 1 (100.00%) WebRTC
Operating Systems
1 1 (100.00%) Linux
1 1 (100.00%) Ubuntu
Processes & Methodologies
1 1 (100.00%) AI
1 1 (100.00%) CI/CD
1 1 (100.00%) Containerisation
1 1 (100.00%) OO
1 1 (100.00%) OOP
1 1 (100.00%) Open Source
1 1 (100.00%) Sentiment Analysis
1 1 (100.00%) Speech Recognition
Programming Languages
1 1 (100.00%) C
1 1 (100.00%) C++
1 1 (100.00%) Python
Quality Assurance & Compliance
1 1 (100.00%) ISO/IEC 27001
1 1 (100.00%) PCI DSS
System Software
1 1 (100.00%) Docker
1 1 (100.00%) Kamailio
Systems Management
1 1 (100.00%) Argo
1 1 (100.00%) Kubernetes
Vendors
1 1 (100.00%) BT
1 1 (100.00%) Fortinet
1 1 (100.00%) Microsoft
1 1 (100.00%) Mitel